Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   "Song Bao Hua (Barry Song)" <song.bao.hua@hisilicon.com>
To:     Vitaly Wool <vitaly.wool@konsulko.com>
CC:     Shakeel Butt <shakeelb@google.com>,
        Minchan Kim <minchan@kernel.org>,
        "Mike Galbraith" <efault@gmx.de>,
        LKML <linux-kernel@vger.kernel.org>,
        linux-mm <linux-mm@kvack.org>,
        Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
        NitinGupta <ngupta@vflare.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        "tiantao (H)" <tiantao6@hisilicon.com>
Subject: RE: [PATCH] zsmalloc: do not use bit_spin_lock
Thread-Topic: [PATCH] zsmalloc: do not use bit_spin_lock
Thread-Index: AQHW1mZAeBjE5clI7UKUuMSOCQsyuqoBSTyAgAAghwCAAAhXgIAAhndA//+NyICAAIW5IP//jYeAgACME8CAAA+J8P//k2OAABCudWAAAQz+8P//giUA//96TuD//vIJMA==
Date:   Tue, 22 Dec 2020 02:10:42 +0000
Message-ID: <08cbef1e43634c4099709be8e99e5d27@hisilicon.com>
References: <18669bd607ae9efbf4e00e36532c7aa167d0fa12.camel@gmx.de>
 <20201220002228.38697-1-vitaly.wool@konsulko.com>
 <X+DaMSJE22nUC0tl@google.com>
 <CAM4kBBKnW6K-mbPno4SpvhUBiykP4zeFm_CNzssDkReURbuU7w@mail.gmail.com>
 <CALvZod69OtXkdOJPzuY5XfXz_ro0V7OmqW4OY9B_emqwroxW4w@mail.gmail.com>
 <e5cd8a0a5df84081a11359ede6e746bc@hisilicon.com>
 <CALvZod7EZnEWb_65FjSNdx+-S_4pLHyS5rYiU-D3hFLRMXS6Lw@mail.gmail.com>
 <8cc0e01fd03245a4994f2e0f54b264fa@hisilicon.com>
 <CAM4kBB+xUa8zXSRSuB0z5FCdPNmUpDfcC4Vqu7wzAkf0b+RXqw@mail.gmail.com>
 <f0ca46a830e54f4482fb4f46df9675f5@hisilicon.com>
 <CAM4kBBKD6MAOaBvwC_Wedf_zmzmt-gm=TrAF1Lh7pVbNtcsFZg@mail.gmail.com>
 <4490cb6a7e2243fba374e40652979e46@hisilicon.com>
 <CAM4kBBK=5eBdCjWc5VJXcdr=Z4PV1=ZQ2n8fZmJ6ahJbpUyv2A@mail.gmail.com> 
Accept-Language: en-GB, en-US
Content-Language: en-US
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
MIME-Version: 1.0
Precedence: bulk
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