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Date:   Thu, 30 Jun 2022 10:11:27 +0800
From:   Wu XiangCheng <bobwxc@email.cn>
To:     YanTeng Si <siyanteng@loongson.cn>,
        Guo Mengqi <guomengqi3@huawei.com>, alexs@kernel.org,
        corbet@lwn.net, linux-doc@vger.kernel.org,
        linux-kernel@vger.kernel.org, yizhou.tang@shopee.com,
        Binbin Zhou <zhoubinbin@loongson.cn>
CC:     xuqiang36@huawei.com
Subject: Re: [PATCH -next] docs/zh_CN: add vm transhuge translation
In-Reply-To: <6d2fc64c-afbf-5a26-6970-d880d8b32868@loongson.cn>
References: <20220628133742.91966-1-guomengqi3@huawei.com> <6d2fc64c-afbf-5a26-6970-d880d8b32868@loongson.cn>
Message-ID: <E3CC3DA5-7348-424F-BAAF-200F1ED7D6DA@email.cn>
MIME-Version: 1.0
Content-Type: text/plain;
 charset=utf-8
Content-Transfer-Encoding: quoted-printable
Precedence: bulk


=E4=BA=8E 2022=E5=B9=B46=E6=9C=8829=E6=97=A5 GMT+08:00 =E4=B8=8A=E5=8D=881=
1:50:11, YanTeng Si <siyanteng@loongson=2Ecn> =E5=86=99=E5=88=B0:
>Hi Mengqi
>
>=E5=9C=A8 2022/6/28 21:37, Guo Mengqi =E5=86=99=E9=81=93:
>> Translate =2E=2E=2E/vm/transhuge=2Erst into Chinese=2E
>>=20
>> Signed-off-by: Guo Mengqi <guomengqi3@huawei=2Ecom>
>> ---
>>   Documentation/translations/zh_CN/vm/index=2Erst |   2 +-
>>   =2E=2E=2E/translations/zh_CN/vm/transhuge=2Erst       | 151 +++++++++=
+++++++++
>>   2 files changed, 152 insertions(+), 1 deletion(-)
>>   create mode 100644 Documentation/translations/zh_CN/vm/transhuge=2Ers=
t
>
>When I apply your patch=EF=BC=88next-tree=EF=BC=89, git complains:
>
>Applying: docs/zh_CN: add vm transhuge translation
>
>error: Documentation/translations/zh_CN/vm/index=2Erst: does not exist in=
 index
>=2Egit/rebase-apply/patch:180: new blank line at EOF=2E
>+
>Patch failed at 0001 docs/zh_CN: add vm transhuge translation


The /vm/ documentations (including translations) have been moved to /mm/ i=
n linux-next tree=2E

Not sure about docs-next, please check that=2E


>>=20
>> diff --git a/Documentation/translations/zh_CN/vm/index=2Erst b/Document=
ation/translations/zh_CN/vm/index=2Erst
>> index c77a56553845=2E=2E2d82b15b272b 100644
>> --- a/Documentation/translations/zh_CN/vm/index=2Erst
>> +++ b/Documentation/translations/zh_CN/vm/index=2Erst
>> @@ -59,11 +59,11 @@ Linux=E5=86=85=E5=AD=98=E7=AE=A1=E7=90=86=E6=96=87=
=E6=A1=A3
>>      vmalloced-kernel-stacks
>>      z3fold
>>      zsmalloc
>> +   transhuge
>>     TODOLIST:
>>   * arch_pgtable_helpers
>>   * free_page_reporting
>>   * hugetlbfs_reserv
>>   * slub
>> -* transhuge
>>   * unevictable-lru
>> diff --git a/Documentation/translations/zh_CN/vm/transhuge=2Erst b/Docu=
mentation/translations/zh_CN/vm/transhuge=2Erst
>> new file mode 100644
>> index 000000000000=2E=2Ea7bed8b13a47
>> --- /dev/null
>> +++ b/Documentation/translations/zh_CN/vm/transhuge=2Erst
>> @@ -0,0 +1,151 @@
>> +=2E=2E SPDX-License-Identifier: GPL-2=2E0
>> +=2E=2E include:: =2E=2E/disclaimer-zh_CN=2Erst
>> +
>> +:Original: Documentation/vm/transhuge=2Erst
>> +
>> +:=E7=BF=BB=E8=AF=91:
>> +
>> + =E9=83=AD=E6=A2=A6=E7=90=AA Guo Mengqi <guomengqi3@huawei=2Ecom>
>> +
>> +:=E6=A0=A1=E8=AF=91:
>> +
>> +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>> +=E9=80=8F=E6=98=8E=E5=A4=A7=E9=A1=B5=E6=9C=BA=E5=88=B6
>
>huge =E5=B7=A8=E5=A4=A7
>
>large =E5=A4=A7
>
>
>so =E5=A4=A7=E9=A1=B5 -> =E5=B7=A8=E9=A1=B5

Here I think both is OK, and =E5=A4=A7=E9=A1=B5 seems more common?

Thanks,
Wu

>
>> +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>> +
>> +=E6=9C=AC=E6=96=87=E6=A1=A3=E6=8F=8F=E8=BF=B0=E9=80=8F=E6=98=8E=E5=A4=
=A7=E9=A1=B5=EF=BC=88THP=EF=BC=89=E7=9A=84=E8=AE=BE=E8=AE=A1=E7=90=86=E5=BF=
=B5=EF=BC=8C=E4=BB=A5=E5=8F=8A=E5=AE=83=E6=98=AF=E5=A6=82=E4=BD=95=E4=B8=8E=
=E5=86=85=E5=AD=98=E7=AE=A1=E7=90=86=E7=B3=BB=E7=BB=9F=E5=85=B6=E4=BB=96=E9=
=83=A8=E5=88=86=E4=BA=A4=E4=BA=92=E7=9A=84=E3=80=82
>
>=E4=BB=A5=E5=8F=8A=E5=AE=83=E6=98=AF=E5=A6=82=E4=BD=95=E4=B8=8E=E5=86=85=
=E5=AD=98=E7=AE=A1=E7=90=86=E7=B3=BB=E7=BB=9F=E7=9A=84=E5=85=B6=E4=BB=96=E9=
=83=A8=E5=88=86=E4=BA=A4=E4=BA=92=E7=9A=84
>
>> +
>> +=E8=AE=BE=E8=AE=A1=E5=8E=9F=E5=88=99
>> +=3D=3D=3D=3D=3D=3D=3D=3D
>> +
>> +- =E2=80=9C=E4=BC=98=E9=9B=85fallback=E2=80=9D=EF=BC=9A=E6=9C=89=E4=BA=
=9Bmm=E7=BB=84=E4=BB=B6=E4=B8=8D=E4=BA=86=E8=A7=A3=E9=80=8F=E6=98=8E=E5=A4=
=A7=E9=A1=B5=E7=9A=84=E5=AD=98=E5=9C=A8=EF=BC=8C=E5=AE=83=E4=BB=AC=E7=9A=84=
=E5=9B=9E=E9=80=80=E6=96=B9=E6=B3=95=E6=98=AF=E5=B0=86PMD=E9=A1=B5=E8=A1=A8=
=E9=A1=B9
>> +  =E6=8B=86=E5=88=86=E6=88=90PTE=E9=A1=B5=E8=A1=A8=E9=A1=B9=E3=80=82=
=E5=BF=85=E8=A6=81=E6=97=B6=E8=BF=98=E9=9C=80=E8=A6=81=E6=8B=86=E5=88=86=E9=
=80=8F=E6=98=8E=E5=A4=A7=E9=A1=B5=E3=80=82=E8=BF=99=E6=A0=B7=E5=B0=B1=E5=8F=
=AF=E4=BB=A5=E5=9C=A8=E5=B8=B8=E8=A7=84=E5=A4=A7=E5=B0=8F=E7=9A=84=E9=A1=B5=
=E6=88=96=E9=A1=B5=E8=A1=A8=E9=A1=B9=E4=B8=8A
>> +  =E7=BB=A7=E7=BB=AD=E5=B7=A5=E4=BD=9C=E3=80=82
>> +
>> +- =E5=A6=82=E6=9E=9C=E5=86=85=E5=AD=98=E7=A2=8E=E7=89=87=E5=8C=96=E5=
=AF=BC=E8=87=B4=E5=A4=A7=E9=A1=B5=E5=88=86=E9=85=8D=E5=A4=B1=E8=B4=A5=EF=BC=
=8C=E5=88=99=E5=88=86=E9=85=8D=E5=B8=B8=E8=A7=84=E9=A1=B5=E4=BD=9C=E4=B8=BA=
=E6=9B=BF=E4=BB=A3=E6=94=BE=E5=85=A5=E5=8E=9Fvma=E4=B8=AD=EF=BC=8C=E6=AD=A4=
=E6=9C=9F=E9=97=B4=E4=B8=8D=E5=BA=94
>> +  =E4=BA=A7=E7=94=9F=E4=BB=BB=E4=BD=95=E5=A4=B1=E8=B4=A5=E6=88=96=E6=
=98=8E=E6=98=BE=E5=BB=B6=E8=BF=9F=EF=BC=8C=E4=B8=8D=E8=A6=81=E5=BC=95=E8=B5=
=B7=E7=94=A8=E6=88=B7=E6=80=81=E7=9A=84=E6=B3=A8=E6=84=8F=E3=80=82
>
>How about
>
>=E6=AD=A4=E6=9C=9F=E9=97=B4=E4=B8=8D=E4=BC=9A=E4=BA=A7=E7=94=9F=E4=BB=BB=
=E4=BD=95=E5=A4=B1=E8=B4=A5=E6=88=96=E6=98=8E=E6=98=BE=E5=BB=B6=E8=BF=9F=EF=
=BC=8C=E4=B9=9F=E4=B8=8D=E4=BC=9A=E5=BC=95=E8=B5=B7=E7=94=A8=E6=88=B7=E6=80=
=81=E7=9A=84=E6=B3=A8=E6=84=8F=E3=80=82
>
>> +
>> +- =E5=A6=82=E6=9E=9C=E4=B8=80=E4=BA=9B=E8=BF=9B=E7=A8=8B=E9=80=80=E5=
=87=BA=E5=90=8E=E9=87=8A=E6=94=BE=E4=BA=86=E7=A9=BA=E4=BD=99=E7=9A=84=E5=A4=
=A7=E9=A1=B5=EF=BC=88=E4=B8=8D=E8=AE=BA=E5=9C=A8=E4=BC=99=E4=BC=B4=E7=B3=BB=
=E7=BB=9F=E8=BF=98=E6=98=AF=E5=9C=A8VM=EF=BC=89=EF=BC=8C=E7=94=B1=E5=B8=B8=
=E8=A7=84=E9=A1=B5=E6=94=AF=E6=8C=81=E7=9A=84
>=E7=A9=BA=E4=BD=99 -> =E7=A9=BA=E9=97=B2 or =E5=8F=AF=E7=94=A8
>> +  guest=E7=89=A9=E7=90=86=E5=86=85=E5=AD=98=E5=BA=94=E8=AF=A5=E8=87=AA=
=E5=8A=A8=E9=87=8D=E6=96=B0=E7=94=B3=E8=AF=B7=E4=B8=BA=E5=A4=A7=E9=A1=B5=E3=
=80=82(=E9=80=9A=E8=BF=87khugepaged=E8=BF=9B=E7=A8=8B)
>> +
>> +- =E9=80=8F=E6=98=8E=E5=A4=A7=E9=A1=B5=E4=B8=8D=E9=9C=80=E8=A6=81=E9=
=A2=84=E7=95=99=E5=86=85=E5=AD=98=EF=BC=8C=E8=80=8C=E6=98=AF=E5=B0=BD=E5=8F=
=AF=E8=83=BD=E4=BD=BF=E7=94=A8=E5=B7=B2=E7=BB=8F=E5=AD=98=E5=9C=A8=E7=9A=84=
=E5=A4=A7=E9=A1=B5=E3=80=82=EF=BC=88=E5=94=AF=E4=B8=BA=E9=81=BF=E5=85=8D=E4=
=B8=8D=E5=8F=AF=E7=A7=BB=E5=8A=A8=E7=9A=84=E9=A1=B5
>del =E5=94=AF
>> +  =E5=B0=86=E6=95=B4=E4=B8=AA=E5=86=85=E5=AD=98=E7=A2=8E=E7=89=87=E5=
=8C=96=EF=BC=8C=E5=94=AF=E4=B8=80=E5=8F=AF=E8=83=BD=E7=9A=84=E9=A2=84=E7=95=
=99=E6=98=AF=E5=9C=A8kernelcore=3D=E7=9A=84=E8=AE=BE=E7=BD=AE=E4=B8=AD=E3=
=80=82=E4=B8=8D=E8=BF=87=E8=BF=99=E4=B8=AA=E8=B0=83=E6=95=B4=E5=B9=B6=E4=B8=
=8D=E4=BB=85
>> +  =E9=92=88=E5=AF=B9=E9=80=8F=E6=98=8E=E5=A4=A7=E9=A1=B5=EF=BC=8C=E8=
=80=8C=E5=AF=B9=E5=86=85=E6=A0=B8=E4=B8=AD=E6=89=80=E6=9C=89=E5=8A=A8=E6=80=
=81=E7=9A=84=E5=A4=9A=E7=BA=A7=E9=A1=B5=E9=9D=A2=E7=94=B3=E8=AF=B7=E9=83=BD=
=E9=80=9A=E7=94=A8=E3=80=82=EF=BC=89
>=E9=83=BD=E9=80=82=E7=94=A8 or =E5=AF=B9xxxxx=E9=A1=B5=E9=9D=A2=E7=94=B3=
=E8=AF=B7=E9=80=9A=E7=94=A8=E3=80=82
>> +
>> +get_user_pages=E5=92=8Cfollow_page
>> +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D
>> +
>> +=E4=B8=8D=E8=AE=BA=E5=AF=B9=E5=8D=95=E4=B8=AA=E5=A4=A7=E9=A1=B5=E8=BF=
=98=E6=98=AFhugetlbfs=EF=BC=8C=E4=BD=BF=E7=94=A8get_user_pages=E5=92=8Cfoll=
ow_page=E6=97=B6=EF=BC=8C=E8=BF=94=E5=9B=9E=E7=9A=84=E4=BC=9A=E6=98=AF=E9=
=A6=96=E9=A1=B5=E6=88=96
>
>=E4=BD=BF=E7=94=A8get_user_pages(GUP)
>
>> +=E5=B0=BE=E9=A1=B5=E3=80=82=E5=A4=A7=E5=A4=9A=E6=95=B0=E6=83=85=E5=86=
=B5=E4=B8=8B=E8=B0=83=E7=94=A8get_user_page=E5=8A=9F=E8=83=BD=E7=9A=84=E4=
=BA=BA=E4=B8=8D=E5=85=B3=E5=BF=83=E9=A1=B5=E7=9A=84=E5=A4=A7=E5=B0=8F=EF=BC=
=8C=E5=8F=AA=E5=85=B3=E5=BF=83=E9=A1=B5=E7=9A=84=E7=9C=9F=E5=AE=9E=E7=89=A9=
=E7=90=86
>
>=E8=B0=83=E7=94=A8GUP=E5=8A=9F=E8=83=BD
>
>> +=E5=9C=B0=E5=9D=80=E4=BB=A5=E5=8F=8A=E6=9A=82=E6=97=B6=E7=9A=84pin=E9=
=A1=B5=EF=BC=8C=E5=A5=BD=E5=9C=A8I/O=E7=BB=93=E6=9D=9F=E5=90=8E=E5=B0=86=E9=
=A1=B5=E9=87=8A=E6=94=BE=E3=80=82=E4=BD=86=E5=9C=A8=E9=A9=B1=E5=8A=A8=E4=B8=
=AD=EF=BC=8C=E5=9C=A8=E6=9F=90=E4=BA=9B=E6=83=85=E5=86=B5=E4=B8=8B=E6=9C=89=
=E5=8F=AF=E8=83=BD=E8=AE=BF=E9=97=AE
>> +=E5=B0=BE=E9=A1=B5=E7=9A=84page_struct=EF=BC=88=E5=A6=82=E6=A3=80=E6=
=9F=A5page->mapping=E5=AD=97=E6=AE=B5=EF=BC=89=EF=BC=8C=E8=BF=99=E6=97=B6=
=E5=BA=94=E8=AF=A5=E8=BD=AC=E8=80=8C=E6=A3=80=E6=9F=A5=E9=A6=96=E9=A1=B5=E3=
=80=82=E4=B8=80=E6=97=A6=E9=A6=96=E9=A1=B5=E6=88=96=E8=80=85
>> +=E5=B0=BE=E9=A1=B5=E8=A2=AB=E5=BC=95=E7=94=A8=EF=BC=8C=E5=A4=A7=E9=A1=
=B5=E5=B0=B1=E4=B8=8D=E8=83=BD=E5=86=8D=E8=A2=AB=E6=8B=86=E5=88=86=E4=BA=86=
=E3=80=82
>> +
>> +=2E=2E note::
>> +   =E4=BB=A5=E4=B8=8A=E9=99=90=E5=88=B6=E4=B8=8D=E6=98=AF=E9=92=88=E5=
=AF=B9GUP API=E6=96=B0=E5=A2=9E=EF=BC=8C=E8=80=8C=E6=98=AF=E4=B8=BA=E4=BA=
=86=E4=B8=8E=E5=9C=A8hugetlbfs=E4=B8=AD=E4=BF=9D=E6=8C=81=E4=B8=80=E8=87=B4=
=E3=80=82=E8=BF=99=E6=A0=B7=E5=A6=82=E6=9E=9C=E9=A9=B1=E5=8A=A8
>> +   =E8=83=BD=E5=9C=A8hugetlbfs=E4=B8=AD=E4=BD=BF=E7=94=A8GUP=EF=BC=8C=
=E5=B0=B1=E8=83=BD=E5=A4=9F=E5=88=87=E6=8D=A2=E5=88=B0=E9=80=8F=E6=98=8E=E5=
=A4=A7=E9=A1=B5=E6=9C=BA=E5=88=B6=E6=94=AF=E6=8C=81=E7=9A=84GUP=E3=80=82
>> +
>> +=E4=BC=98=E9=9B=85fallback
>> +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>> +
>> +=E4=B8=BA=E6=9F=A5=E9=A1=B5=E8=A1=A8=E6=B5=81=E7=A8=8B=E5=A2=9E=E5=8A=
=A0=E5=A4=A7=E9=A1=B5=E6=94=AF=E6=8C=81=E5=8F=AA=E9=9C=80=E6=B7=BB=E5=8A=A0=
split_huge_pmd(vma, pmd,
>> +addr)=E5=8D=B3=E5=8F=AF=E3=80=82=E5=85=B6=E4=B8=ADpmd=E4=B8=BApmd_offs=
et=E8=BF=94=E5=9B=9E=E5=80=BC=E3=80=82=E8=A6=81=E4=B8=BA=E4=BB=A3=E7=A0=81=
=E6=B7=BB=E5=8A=A0=E9=80=8F=E6=98=8E=E5=A4=A7=E9=A1=B5=E6=94=AF=E6=8C=81=E5=
=BE=88=E7=AE=80=E5=8D=95=EF=BC=8C=E6=90=9C=E7=B4=A2
>> +"pmd_offset"=E5=B9=B6=E5=B0=86split_huge_pmd=E6=B7=BB=E5=8A=A0=E5=88=
=B0=E6=89=80=E6=9C=89=E8=BF=94=E5=9B=9E=E7=9A=84pmd=E5=90=8E=E9=9D=A2=E3=80=
=82=E8=BF=99=E7=9F=AD=E7=9F=AD=E4=B8=80=E8=A1=8C=E7=9A=84fallback=E5=87=BD=
=E6=95=B0
>> +=E5=BE=88=E5=B7=A7=E5=A6=99=EF=BC=8C=E4=B8=BA=E6=88=91=E4=BB=AC=E7=9C=
=81=E5=8E=BB=E4=BA=86=E9=A2=9D=E5=A4=96=E7=9A=84=E9=80=82=E9=85=8D=E4=BB=A3=
=E7=A0=81=EF=BC=88=E9=80=9A=E5=B8=B8=E4=BC=9A=E5=BE=88=E9=95=BF=E6=88=96=E8=
=80=85=E5=BE=88=E5=A4=8D=E6=9D=82=EF=BC=89=E3=80=82
>> +
>> +=E5=A6=82=E6=9E=9C=E4=BD=A0=E9=9C=80=E8=A6=81=E5=9C=A8=E6=B2=A1=E6=9C=
=89=E9=A1=B5=E8=A1=A8=E7=9A=84=E6=83=85=E5=86=B5=E4=B8=8B=E5=A4=84=E7=90=86=
=E4=B8=80=E4=B8=AA=E5=A4=A7=E9=A1=B5=EF=BC=8C=E5=8F=AF=E4=BB=A5=E4=BD=BF=E7=
=94=A8split_huge_page(page)=E6=8A=8A=E5=AE=83=E6=8B=86=E5=88=86
>> +=E6=88=90=E5=B0=8F=E9=A1=B5=E3=80=82linux VM=E5=B0=B1=E6=98=AF=E9=80=
=9A=E8=BF=87=E8=BF=99=E7=A7=8D=E6=96=B9=E5=BC=8F=E5=B0=86=E5=A4=A7=E9=A1=B5=
=E6=8D=A2=E5=87=BA=E3=80=82=E5=A6=82=E6=9E=9C=E9=A1=B5=E9=9D=A2=E8=A2=ABpin=
=E4=BD=8F=E4=BA=86=EF=BC=8Csplit_huge_page
>> +=E5=B0=B1=E4=BC=9A=E5=A4=B1=E8=B4=A5=E3=80=82
>> +
>> +=E4=BE=8B=E5=AD=90=EF=BC=9A=E6=B7=BB=E5=8A=A0=E4=B8=80=E8=A1=8C=E4=BB=
=A3=E7=A0=81=E4=BD=BFmremap=2Ec=E6=94=AF=E6=8C=81=E9=80=8F=E6=98=8E=E5=A4=
=A7=E9=A1=B5::
>> +
>> +        diff --git a/mm/mremap=2Ec b/mm/mremap=2Ec
>> +        --- a/mm/mremap=2Ec
>> +        +++ b/mm/mremap=2Ec
>> +        @@ -41,6 +41,7 @@ static pmd_t *get_old_pmd(struct mm_stru
>> +                return NULL;
>> +
>> +                pmd =3D pmd_offset(pud, addr);
>> +        +       split_huge_pmd(vma, pmd, addr);
>> +                if (pmd_none_or_clear_bad(pmd))
>> +                    return NULL;
>> +
>> +=E5=A4=A7=E9=A1=B5=E6=94=AF=E6=8C=81=E4=B8=AD=E7=9A=84=E9=94=81=E4=BD=
=BF=E7=94=A8
>> +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>> +
>> +=E6=88=91=E4=BB=AC=E5=B8=8C=E6=9C=9B=E5=B0=BD=E5=8F=AF=E8=83=BD=E5=A4=
=9A=E7=9A=84=E4=BB=A3=E7=A0=81=E8=83=BD=E5=8E=9F=E7=94=9F=E6=94=AF=E6=8C=81=
=E9=80=8F=E6=98=8E=E5=A4=A7=E9=A1=B5=EF=BC=8C=E5=9B=A0=E4=B8=BA=E8=B0=83=E7=
=94=A8split_huge_page()=E5=92=8C
>> +split_huge_pmd()=E8=BF=98=E6=98=AF=E6=9C=89=E5=BC=80=E9=94=80=E7=9A=84=
=E3=80=82
>> +
>> +=E8=A6=81=E8=AE=A9=E6=9F=A5=E9=A1=B5=E8=A1=A8=E6=93=8D=E4=BD=9C=E5=8F=
=98=E5=BE=97=E8=83=BD=E5=A4=84=E7=90=86huge pmd=EF=BC=8C=E5=8F=AA=E9=9C=80=
=E5=AF=B9pmd_offset=E8=BF=94=E5=9B=9E=E7=9A=84pmd=E8=B0=83=E7=94=A8
>> +pmd_trans_huge()=E3=80=82=E4=B8=80=E5=AE=9A=E8=A6=81=E6=8C=81=E6=9C=89=
mmap_lock=E8=AF=BB=E9=94=81=EF=BC=8C=E4=BB=A5=E9=81=BF=E5=85=8Dkhugepaged=
=E5=9C=A8=E6=AD=A4=E6=9C=9F=E9=97=B4=E7=94=B3=E8=AF=B7=E6=96=B0=E7=9A=84
>> +=E5=A4=A7=E9=A1=B5pmd=EF=BC=88khugepaged collapse_huge_page=E4=BC=9A=
=E6=8C=81=E6=9C=89mmap_lock=E5=86=99=E9=94=81=E8=80=8C=E9=9D=9Eanon_vma loc=
k=EF=BC=89=E3=80=82
>> +=E5=A6=82=E6=9E=9Cpmd_trans_huge=E8=BF=94=E5=9B=9Efalse=EF=BC=8C=E9=82=
=A3=E5=B0=B1=E5=9B=9E=E5=88=B0=E5=8E=9F=E6=9D=A5=E7=9A=84=E6=B5=81=E7=A8=8B=
=E3=80=82=E5=A6=82=E6=9E=9Cpmd_trans_huge=E8=BF=94=E5=9B=9Etrue=EF=BC=8C
>> +=E5=B0=B1=E9=9C=80=E8=A6=81=E5=85=88=E6=8C=81=E6=9C=89=E9=A1=B5=E8=A1=
=A8=E9=94=81(pmd_lock())=EF=BC=8C=E7=84=B6=E5=90=8E=E5=86=8D=E8=B0=83=E4=B8=
=80=E6=AC=A1pmd_trans_huge=2E =E6=8C=81=E9=A1=B5=E8=A1=A8=E9=94=81=E6=98=AF=
=E4=B8=BA=E4=BA=86=E9=98=B2=E6=AD=A2
>> +=E5=A4=A7=E9=A1=B5pmd=E8=A2=AB=E8=BD=AC=E6=8D=A2=E6=88=90=E5=B0=8F=E9=
=A1=B5=EF=BC=88split_huge_pmd=E5=8F=AF=E4=BB=A5=E8=B7=9F=E6=9F=A5=E9=A1=B5=
=E8=A1=A8=E6=93=8D=E4=BD=9C=E5=90=8C=E6=97=B6=E8=BF=9B=E8=A1=8C=EF=BC=89=E3=
=80=82=E5=A6=82=E6=9E=9C=E7=AC=AC=E4=BA=8C=E6=AC=A1
>> +pmd_trans_huge=E8=BF=94=E5=9B=9Efalse,=E9=82=A3=E5=B0=B1=E9=87=8A=E6=
=94=BE=E9=A1=B5=E8=A1=A8=E9=94=81=EF=BC=8C=E4=BE=9D=E7=84=B6=E5=9B=9E=E5=88=
=B0=E5=8E=9F=E6=9C=89=E6=B5=81=E7=A8=8B=E3=80=82=E5=A6=82=E6=9E=9C=E8=BF=94=
=E5=9B=9Etrue=EF=BC=8C=E5=B0=B1=E5=8F=AF=E4=BB=A5
>> +=E7=BB=A7=E7=BB=AD=E5=A4=84=E7=90=86huge pmd=E5=92=8Chugepage=E4=BA=86=
=E3=80=82=E5=A4=84=E7=90=86=E5=AE=8C=E6=AF=95=EF=BC=8C=E5=86=8D=E9=87=8A=E6=
=94=BE=E9=A1=B5=E8=A1=A8=E9=94=81=E3=80=82
>> +
>> +=E5=BC=95=E7=94=A8=E8=AE=A1=E6=95=B0=E5=92=8C=E9=80=8F=E6=98=8E=E5=A4=
=A7=E9=A1=B5
>> +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>> +
>> +THP=E7=9A=84=E8=AE=A1=E6=95=B0=E8=B7=9F=E5=85=B6=E4=BB=96=E5=A4=8D=E5=
=90=88=E9=A1=B5=E7=9A=84=E8=AE=A1=E6=95=B0=E5=A4=A7=E8=87=B4=E7=9B=B8=E5=90=
=8C=EF=BC=9A
>> +
>> + - get_page()/put_page()=E5=92=8CGUP=E9=83=BD=E5=9C=A8=E9=A6=96=E9=A1=
=B5=E4=B8=8A=E8=BF=9B=E8=A1=8C=E8=AE=A1=E6=95=B0=EF=BC=88=E4=BF=AE=E6=94=B9=
head page->_refcount=EF=BC=89
>> +
>> + - =E5=B0=BE=E9=A1=B5=E7=9A=84_refcount=E6=B0=B8=E8=BF=9C=E6=98=AF0=2E=
 get_page_unless_zero()=E6=B0=B8=E8=BF=9C=E6=97=A0=E6=B3=95get=E5=88=B0=E5=
=B0=BE=E9=A1=B5=E3=80=82
>> +
>> + - map/unmap=E7=89=B9=E5=AE=9APTE entry=E6=97=B6=EF=BC=8C=E5=A2=9E=E5=
=87=8F=E7=9A=84=E6=98=AF=E5=A4=8D=E5=90=88=E9=A1=B5=E4=B8=AD=E7=9B=B8=E5=BA=
=94=E5=AD=90=E9=A1=B5=E7=9A=84_mapcount=2E
>> +
>> + - map/unmap=E6=95=B4=E4=B8=AA=E5=A4=8D=E5=90=88=E9=A1=B5=E6=97=B6=EF=
=BC=8C=E5=A2=9E=E5=87=8F=E7=9A=84=E6=98=AFcompound_mapcount=E5=B1=9E=E6=80=
=A7=E3=80=82=E8=AF=A5=E5=B1=9E=E6=80=A7=E4=BF=9D=E5=AD=98=E5=9C=A8=E7=AC=AC=
=E4=B8=80=E4=B8=AA
>> +   =E5=B0=BE=E9=A1=B5=E4=B8=AD=E3=80=82=E5=AF=B9=E4=BA=8E=E6=96=87=E4=
=BB=B6=E4=B8=AD=E7=9A=84=E5=A4=A7=E9=A1=B5=EF=BC=8C=E8=BF=98=E8=A6=81=E5=A2=
=9E=E5=8A=A0=E6=89=80=E6=9C=89=E5=AD=90=E9=A1=B5=E4=B8=AD=E7=9A=84_mapcount=
=EF=BC=8C=E8=BF=99=E6=A0=B7=E6=98=AF=E4=B8=BA=E4=BA=86=E5=9C=A8=E6=A3=80=E6=
=B5=8B
>> +   =E5=AD=90=E9=A1=B5=E7=9A=84=E8=A7=A3=E6=98=A0=E5=B0=84=E6=97=B6=E4=
=B8=8D=E9=9C=80=E8=80=83=E8=99=91=E7=AB=9E=E4=BA=89=E9=97=AE=E9=A2=98=E3=80=
=82
>map/unmap=EF=BC=9A Either you don't translate, or you translate them all=
=2E
>> +
>> +PageDoubleMap() =E8=A1=A8=E6=98=8E=E5=A4=A7=E9=A1=B5 *=E5=8F=AF=E8=83=
=BD* =E8=A2=AB=E6=98=A0=E5=B0=84=E4=B8=BA=E4=BA=86PTE=2E
>> +
>> +=E5=AF=B9=E5=8C=BF=E5=90=8D=E9=A1=B5=EF=BC=8CPageDoubleMap()=E4=B9=9F=
=E8=A1=A8=E7=A4=BA=E6=89=80=E6=9C=89=E5=AD=90=E9=A1=B5=E7=9A=84_mapcount=E9=
=83=BD=E5=81=8F=E7=A7=BB=E4=BA=861=2E
>> +=E5=9C=A8=E9=A1=B5=E8=A2=AB=E5=90=8C=E6=97=B6=E6=98=A0=E5=B0=84=E4=B8=
=BA=E4=BA=86PMD=E5=92=8CPTE=E7=9A=84=E6=83=85=E5=86=B5=E4=B8=8B=EF=BC=8C=E8=
=BF=99=E4=B8=AA=E9=A2=9D=E5=A4=96=E7=9A=84=E5=BC=95=E7=94=A8=E5=8F=AF=E4=BB=
=A5=E9=81=BF=E5=85=8D=E5=AD=90=E9=A1=B5=E8=A7=A3=E6=98=A0=E5=B0=84=E6=97=B6=
=E7=9A=84=E7=AB=9E=E4=BA=89=E3=80=82
>> +
>> +=E8=BF=99=E4=B8=AA=E4=BC=98=E5=8C=96=E4=B9=9F=E5=8F=AF=E4=BB=A5=E8=BF=
=BD=E8=B8=AA=E6=AF=8F=E4=B8=AA=E5=AD=90=E9=A1=B5mapcount=E6=89=80=E5=B8=A6=
=E6=9D=A5=E7=9A=84=E6=80=A7=E8=83=BD=E5=BC=80=E9=94=80=E3=80=82=E5=8F=A6=E4=
=B8=80=E7=A7=8D=E8=A7=A3=E5=86=B3=E6=96=B9=E6=B3=95=E6=98=AF=E5=9C=A8=E6=AF=
=8F=E6=AC=A1
>> +map/unmap=E6=95=B4=E4=B8=AA=E5=A4=8D=E5=90=88=E9=A1=B5=E6=97=B6=E6=9B=
=B4=E6=94=B9=E6=89=80=E6=9C=89=E5=AD=90=E9=A1=B5=E7=9A=84_mapcount=2E
>> +
>> +=E5=AF=B9=E4=BA=8E=E5=8C=BF=E5=90=8D=E9=A1=B5=EF=BC=8C=E5=A6=82=E6=9E=
=9C=E9=A1=B5=E9=9D=A2=E7=9A=84PMD=E5=9C=A8=E9=A6=96=E6=AC=A1=E8=A2=AB=E6=8B=
=86=E5=88=86=E6=97=B6=E5=90=8C=E6=97=B6=E8=BF=98=E5=85=B7=E6=9C=89PMD=E6=98=
=A0=E5=B0=84=EF=BC=8C=E5=88=99=E8=AE=BE=E7=BD=AEPG_double_map;
>> +=E5=BD=93compound_mapcount=E5=80=BC=E9=99=8D=E4=B8=BA0=E6=97=B6=EF=BC=
=8C=E5=8F=96=E6=B6=88=E8=AE=BE=E7=BD=AE=E3=80=82
>> +
>> +=E5=AF=B9=E4=BA=8E=E6=98=A0=E5=B0=84=E5=88=B0=E6=96=87=E4=BB=B6=E7=9A=
=84=E9=A1=B5=EF=BC=8C=E5=9C=A8=E5=85=B6=E9=A6=96=E6=AC=A1=E6=98=A0=E5=B0=84=
PTE=E6=97=B6=EF=BC=8C=E8=AE=BE=E7=BD=AEPG_double_map; =E5=9C=A8=E9=A1=B5=E9=
=9D=A2=E4=BB=8E=E9=A1=B5=E7=BC=93=E5=AD=98
>> +page cache=E4=B8=AD=E7=A7=BB=E9=99=A4=E6=97=B6=EF=BC=8C=E5=8F=96=E6=B6=
=88=E8=AE=BE=E7=BD=AE=E3=80=82
>=E9=A1=B5=E7=BC=93=E5=AD=98 =3D=3D page cache
>> +
>> +split_huge_page=E4=B8=AD=EF=BC=8C=E5=9C=A8=E6=B8=85=E9=99=A4page struc=
t=E4=B8=AD=E6=89=80=E6=9C=89PG_head/tail=E4=BD=8D=E4=B9=8B=E5=89=8D=EF=BC=
=8C=E9=9C=80=E8=A6=81=E5=85=88=E5=B0=86=E9=A6=96=E9=A1=B5=E4=B8=AD=E7=9A=84
>> +=E5=BC=95=E7=94=A8=E8=AE=A1=E6=95=B0refcount=E5=88=86=E5=8F=91=E5=88=
=B0=E6=89=80=E6=9C=89=E5=85=B6=E4=BB=96=E5=B0=BE=E9=A1=B5=E4=B8=AD=E3=80=82=
=E9=A1=B5=E8=A1=A8=E9=A1=B9PTE=E5=8D=A0=E7=94=A8=E7=9A=84=E5=BC=95=E7=94=A8=
=E8=AE=A1=E6=95=B0=E5=BE=88=E5=A5=BD=E5=A4=84=E7=90=86=EF=BC=8C=E4=BD=86=E5=
=89=A9=E4=B8=8B=E7=9A=84
>> +=E5=BC=95=E7=94=A8=E8=AE=A1=E6=95=B0=E6=9D=A5=E6=BA=90=E9=9A=BE=E4=BB=
=A5=E7=A1=AE=E5=AE=9A=EF=BC=88=E5=A6=82=E9=80=9A=E8=BF=87get_user_pages=E7=
=9A=84pin=E9=A1=B5=EF=BC=89=E3=80=82=E5=A6=82=E6=9E=9C=E5=A4=A7=E9=A1=B5=E8=
=A2=ABpin=E4=BD=8F=EF=BC=8C
>> +split_huge_page()=E4=BC=9A=E5=A4=B1=E8=B4=A5=E3=80=82=E9=A1=B5=E7=9A=
=84=E5=BC=95=E7=94=A8=E8=AE=A1=E6=95=B0=E5=BF=85=E9=A1=BB=E7=AD=89=E4=BA=8E=
=E6=89=80=E6=9C=89=E5=AD=90=E9=A1=B5mapcount=E4=B9=8B=E5=92=8C=E5=86=8D=E5=
=8A=A0=E4=B8=80=EF=BC=88=E5=9B=A0=E4=B8=BA
>> +split_huge_page=E7=9A=84=E8=B0=83=E7=94=A8=E8=80=85=E4=B9=9F=E5=BF=85=
=E9=A1=BB=E5=AF=B9=E9=A6=96=E9=A1=B5=E6=8C=81=E6=9C=89=E4=B8=80=E4=B8=AA=E5=
=BC=95=E7=94=A8=EF=BC=89=E3=80=82
>> +
>> +=E5=AF=B9=E5=8C=BF=E5=90=8D=E9=A1=B5=EF=BC=8Csplit_huge_page=E7=94=A8=
=E9=A1=B5=E8=A1=A8=E9=A1=B9=E8=BF=81=E7=A7=BB=EF=BC=88migration
>> +entries=EF=BC=89=E4=BF=9D=E6=8C=81=E6=9D=A5page->_refcount=E5=92=8Cpag=
e->_mapcount=E7=A8=B3=E5=AE=9A=E3=80=82=E5=AF=B9=E6=96=87=E4=BB=B6=E9=A1=B5=
=EF=BC=8C=E7=9B=B4=E6=8E=A5=E8=A7=A3=E6=98=A0=E5=B0=84=E5=B0=B1=E5=A5=BD=E3=
=80=82
>
>=E4=BF=9D=E6=8C=81=E6=9D=A5 -> =E6=9D=A5=E4=BF=9D=E6=8C=81
>
>> +
>> +=E8=BF=99=E5=A5=97=E6=9C=BA=E5=88=B6=E5=AF=B9=E7=89=A9=E7=90=86=E5=86=
=85=E5=AD=98=E6=89=AB=E6=8F=8F=EF=BC=88physical memory scanners=EF=BC=89=E4=
=B9=9F=E5=AE=89=E5=85=A8=EF=BC=8Cscanner=E5=94=AF=E4=B8=80=E5=90=88=E6=B3=
=95=E5=BC=95=E7=94=A8=E9=A1=B5
>> +=E7=9A=84=E9=80=94=E5=BE=84=E5=B0=B1=E6=98=AFget_page_unless_zero()=2E
>> +
>> +=E6=B2=A1=E8=B0=83atomic_add()=E6=97=B6=EF=BC=8C=E6=89=80=E6=9C=89=E5=
=B0=BE=E9=A1=B5=E7=9A=84_refcount=E9=83=BD=E4=B8=BA0=2E =E8=BF=99=E6=97=B6s=
canner=E6=97=A0=E6=B3=95=E8=8E=B7=E5=8F=96=E5=B0=BE=E9=A1=B5=E7=9A=84=E5=BC=
=95=E7=94=A8=E3=80=82
>> +=E8=B0=83=E4=BA=86atomic_add()=E5=90=8E=EF=BC=8C=E6=88=91=E4=BB=AC=E4=
=B9=9F=E4=B8=8D=E5=9C=A8=E4=B9=8E=E9=A1=B5=E7=9A=84_refcount=E6=98=AF=E5=A4=
=9A=E5=B0=91=E4=BA=86=E3=80=82=E5=8F=AA=E8=A6=81=E7=9F=A5=E9=81=93=E5=BA=94=
=E8=AF=A5=E4=BB=8E=E9=A6=96=E9=A1=B5=E7=9A=84=E5=BC=95=E7=94=A8
>> +=E8=AE=A1=E6=95=B0=E5=87=8F=E5=8E=BB=E5=A4=9A=E5=B0=91=E5=8D=B3=E5=8F=
=AF=E3=80=82
>> +
>> +=E5=AF=B9=E9=A6=96=E9=A1=B5=E8=BF=9B=E8=A1=8Cget_page_unless_zero()=E6=
=98=AF=E5=8F=AF=E4=BB=A5=E6=88=90=E5=8A=9F=E7=9A=84=E3=80=82=E6=AD=A4=E6=97=
=B6=E5=BC=95=E7=94=A8=E8=AE=A1=E6=95=B0=E7=9A=84=E5=86=8D=E5=88=86=E9=85=8D=
=E9=9D=9E=E5=B8=B8=E6=98=8E=E4=BA=86=EF=BC=9A
>> +=E5=BC=95=E7=94=A8=E8=AE=A1=E6=95=B0=E5=B0=86=E4=BC=9A=E7=95=99=E5=9C=
=A8=E9=A6=96=E9=A1=B5=E4=B8=AD=E3=80=82
>> +
>> +split_huge_pmd()=E5=AF=B9=E5=BC=95=E7=94=A8=E8=AE=A1=E6=95=B0=E6=B2=A1=
=E6=9C=89=E4=BB=BB=E4=BD=95=E9=99=90=E5=88=B6=EF=BC=8C=E5=9C=A8=E4=BB=BB=E4=
=BD=95=E6=97=B6=E5=80=99=E9=83=BD=E5=8F=AF=E4=BB=A5=E6=8B=86=E5=88=86PMD=EF=
=BC=8C=E8=80=8C=E4=B8=94=E6=B0=B8=E8=BF=9C=E4=B8=8D=E4=BC=9A
>> +=E5=A4=B1=E8=B4=A5=E3=80=82
>> +
>> +=E5=B1=80=E9=83=A8unmap=E5=92=8Cdeferred_split_huge_page()=E5=87=BD=E6=
=95=B0
>> +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>> +
>> +=E9=80=8F=E6=98=8E=E5=A4=A7=E9=A1=B5=E9=80=9A=E8=BF=87munmap()=E6=88=
=96=E5=85=B6=E4=BB=96=E6=96=B9=E5=BC=8F=E8=A7=A3=E6=98=A0=E5=B0=84=E6=97=B6=
=EF=BC=8C=E5=B9=B6=E4=B8=8D=E4=BC=9A=E7=AB=8B=E5=8D=B3=E9=87=8A=E6=94=BE=E5=
=86=85=E5=AD=98=E3=80=82=E5=9C=A8page_remove_rmap()
>> +=E4=B8=AD=E6=A3=80=E6=9F=A5=E9=80=8F=E6=98=8E=E5=A4=A7=E9=A1=B5=E7=9A=
=84=E6=9F=90=E4=B8=AA=E5=AD=90=E9=A1=B5=E6=98=AF=E5=90=A6=E5=B7=B2=E7=BB=8F=
=E8=BF=98=E5=9C=A8=E4=BD=BF=E7=94=A8=EF=BC=8C=E5=B9=B6=E5=B0=86=E9=80=8F=E6=
=98=8E=E5=A4=A7=E9=A1=B5=E5=8A=A0=E5=85=A5=E4=B8=80=E4=B8=AA=E9=A2=84=E5=A4=
=87=E9=98=9F=E5=88=97=EF=BC=8C=E5=BD=93=E5=86=85=E5=AD=98
>> +=E4=BD=BF=E7=94=A8=E9=9C=80=E6=B1=82=E5=8F=98=E5=A4=A7=E6=97=B6=EF=BC=
=8C=E6=8A=8A=E9=80=8F=E6=98=8E=E5=A4=A7=E9=A1=B5=E6=8B=86=E5=88=86=EF=BC=8C=
=E9=87=8A=E6=94=BE=E5=B7=B2=E7=BB=8F=E4=B8=8D=E7=94=A8=E7=9A=84=E5=AD=90=E9=
=A1=B5=E3=80=82
>> +
>> +=E5=A6=82=E6=9E=9C=E6=A3=80=E6=B5=8B=E5=88=B0=E5=B1=80=E9=83=A8unmap=
=EF=BC=8C=E7=94=B1=E4=BA=8E=E5=A4=84=E5=9C=A8=E9=94=81=E4=B8=AD=EF=BC=8C=E6=
=97=A0=E6=B3=95=E6=8B=86=E9=A1=B5=E3=80=82=E8=80=8C=E4=B8=94=E5=9C=A8=E5=BE=
=88=E5=A4=9A=E6=83=85=E5=86=B5=E4=B8=8B=EF=BC=8C=E9=80=8F=E6=98=8E=E5=A4=A7=
=E9=A1=B5=E4=BC=9A=E8=B7=A8VMA,
>> +=E8=BF=99=E6=97=B6=E4=BC=9A=E5=9C=A8exit(2)=E4=B8=AD=E8=BF=9B=E8=A1=8C=
=E5=B1=80=E9=83=A8unmap=EF=BC=8C=E8=BF=99=E6=97=B6=E6=8B=86=E9=A1=B5=E6=95=
=88=E6=9E=9C=E9=80=82=E5=BE=97=E5=85=B6=E5=8F=8D=E3=80=82
>
>=E7=94=B1=E4=BA=8Exxxxx=E8=80=8C=E4=B8=94xxxxxx=E6=89=80=E4=BB=A5xxxxxxx
>
>=E8=BF=99=E6=97=B6 is used too much
>
>
>> +
>> +deferred_split_huge_page=E5=87=BD=E6=95=B0=E5=B0=B1=E6=98=AF=E7=94=A8=
=E6=9D=A5=E8=BF=9B=E8=A1=8C=E4=B8=8A=E6=96=87=E6=89=80=E8=AF=B4=E7=9A=84=E5=
=B0=86=E9=A1=B5=E6=8E=92=E9=98=9F=E4=BB=A5=E9=A2=84=E5=A4=87=E5=90=8E=E7=BB=
=AD=E7=9A=84=E6=8B=86=E5=88=86=E3=80=82=E7=9C=9F=E6=AD=A3
>> +=E7=9A=84=E6=8B=86=E9=A1=B5=E6=93=8D=E4=BD=9C=E6=98=AF=E9=80=9A=E8=BF=
=87=E5=86=85=E5=AD=98=E5=8E=8B=E5=8A=9B=E5=AF=BC=E8=87=B4=E7=9A=84shrinker=
=E5=87=BD=E6=95=B0=E6=9D=A5=E8=A7=A6=E5=8F=91=E3=80=82
>
>shrinker=E6=8E=A5=E5=8F=A3
>
>> +
>
>CC Yizhou
>
>CC Binbin
>
>
>I like your way of translating docs, good job!
>
>
>Thanks=EF=BC=8C
>Yanteng