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From: Joakim Tjernlund <Joakim.Tjernlund@infinera.com>
To: Greg KH <gregkh@linuxfoundation.org>
CC: "quic_charante@quicinc.com" <quic_charante@quicinc.com>,
	"david@redhat.com" <david@redhat.com>, "mhocko@suse.com" <mhocko@suse.com>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>, "linux-mm@kvack.org"
	<linux-mm@kvack.org>, "hannes@cmpxchg.org" <hannes@cmpxchg.org>,
	"mgorman@techsingularity.net" <mgorman@techsingularity.net>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
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	<vbabka@suse.cz>, "stable@vger.kernel.org" <stable@vger.kernel.org>,
	"quic_cgoldswo@quicinc.com" <quic_cgoldswo@quicinc.com>
Subject: Re: [RESEND PATCH V2] mm: page_alloc: unreserve highatomic page
 blocks before oom
Thread-Topic: [RESEND PATCH V2] mm: page_alloc: unreserve highatomic page
 blocks before oom
Thread-Index: AQHaSjMflGKjL/PHykO7afANQUWSRrDmIBoAgABNFaY=
Date: Mon, 22 Jan 2024 22:49:32 +0000
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Seems like I pasted the wrong commit(sorry), should be: ac3f3b0a55518056bc8=
0ed32a41931c99e1f7d81=0A=
I only see that one in master.=0A=
=0A=
________________________________________=0A=
From: Greg KH <gregkh@linuxfoundation.org>=0A=
Sent: 22 January 2024 18:41=0A=
To: Joakim Tjernlund=0A=
Cc: quic_charante@quicinc.com; david@redhat.com; mhocko@suse.com; akpm@linu=
x-foundation.org; linux-mm@kvack.org; hannes@cmpxchg.org; mgorman@techsingu=
larity.net; linux-kernel@vger.kernel.org; quic_pkondeti@quicinc.com; vbabka=
@suse.cz; stable@vger.kernel.org; quic_cgoldswo@quicinc.com=0A=
Subject: Re: [RESEND PATCH V2] mm: page_alloc: unreserve highatomic page bl=
ocks before oom=0A=
=0A=
On Thu, Jan 18, 2024 at 05:23:58PM +0000, Joakim Tjernlund wrote:=0A=
> Could this patch be backported to stable? I have seen similar OOMs with=
=0A=
> reserved_highatomic:4096KB=0A=
>=0A=
> Upstream commit: 04c8716f7b0075def05dc05646e2408f318167d2=0A=
=0A=
Backported to exactly where?  This commit is in the 4.20 kernel and=0A=
newer, please tell me you aren't relying on the 4.19.y kernel anymore...=0A=
=0A=
thanks,=0A=
=0A=
greg k-h=0A=