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h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ACLB1y0XJWt7hI2oMVBuNN3bYiNC15yy/6Qq3gBj8pXjbs5BmnUUkW0sBad5KtcXv EYoT3V7XVJpQ2tnhpefJ58y13gx8deGhPBKsQbeJ6vYCx6EzmcYp9due6WtM0hSKxb 4padF4ADH4UZJ4Q6nv1umPlhfZlXJO2F341PWwPk= Date: Mon, 22 Jan 2024 09:41:38 -0800 From: Greg KH To: Joakim Tjernlund Cc: "quic_charante@quicinc.com" , "david@redhat.com" , "mhocko@suse.com" , "akpm@linux-foundation.org" , "linux-mm@kvack.org" , "hannes@cmpxchg.org" , "mgorman@techsingularity.net" , "linux-kernel@vger.kernel.org" , "quic_pkondeti@quicinc.com" , "vbabka@suse.cz" , "stable@vger.kernel.org" , "quic_cgoldswo@quicinc.com" Subject: Re: [RESEND PATCH V2] mm: page_alloc: unreserve highatomic page blocks before oom Message-ID: <2024012205-undrilled-those-2435@gregkh> References: <1700823445-27531-1-git-send-email-quic_charante@quicinc.com> <3fe3b3edd33cd784071dd9b459d20a79605ec918.camel@infinera.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3fe3b3edd33cd784071dd9b459d20a79605ec918.camel@infinera.com> X-Rspamd-Queue-Id: E6C4640005 X-Rspam-User: X-Rspamd-Server: rspam11 X-Stat-Signature: fqpwgjkg87y5n676zd8z3i9r4kgzqb6a X-HE-Tag: 1705945302-751435 X-HE-Meta: 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 uXpNM1/E luFjPKJH4bqKM/PR5pcCvULooer1g3AomVd+xPMeac1n6NeTsQLPfU1hK9ATsdmFoCLoEIiLwth23c2MKgXqfAhU1CIpddZpFvw2B85f6uBnxl9cUpoEtrZZ0Gs9On/dETUYDe4/IDT7Xknfkn2C0M3GAV0mTg0ShURnx812k2QvDJFtMeZYGiSMgZNxS/zOUDuTN3IxWsQ+Xk21uJQjjFIfD0IDqjGr0Jshc/aMV3JR8kqG2NZRXnE8QL8y1N60dOCLGmaSIQOKQOLnCOoPveB0l9T9beZtYEcq6muZRvgDYRaK0NkRHetB6ipojO1b5ql91qcB2yjB1o9TNP/4TuIf/XA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, Jan 18, 2024 at 05:23:58PM +0000, Joakim Tjernlund wrote: > Could this patch be backported to stable? I have seen similar OOMs with > reserved_highatomic:4096KB > > Upstream commit: 04c8716f7b0075def05dc05646e2408f318167d2 Backported to exactly where? This commit is in the 4.20 kernel and newer, please tell me you aren't relying on the 4.19.y kernel anymore... thanks, greg k-h