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[82.17.115.212]) by smtp.gmail.com with ESMTPSA id m132sm11824941wmf.45.2021.03.26.10.00.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Mar 2021 10:00:05 -0700 (PDT) Date: Fri, 26 Mar 2021 17:00:04 +0000 From: Aaron Tomlin To: Michal Hocko Cc: linux-mm@kvack.org, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, Vlastimil Babka Subject: Re: [PATCH] mm/page_alloc: try oom if reclaim is unable to make forward progress Message-ID: <20210326170004.ahzt4xhe6msje7wl@ava.usersys.com> References: <20210315165837.789593-1-atomlin@redhat.com> <20210319172901.cror2u53b7caws3a@ava.usersys.com> <20210325210159.r565fvfitoqeuykp@ava.usersys.com> <20210326112254.jy5jkiwtgj3pqkt2@ava.usersys.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri 2021-03-26 16:36 +0100, Michal Hocko wrote: > We should be focusing on the compaction retry logic and see whether we > can have some "run away" scenarios there. Fair enough. > Seeing so many retries without compaction bailing out sounds like a bug > in that retry logic. Agreed - I will continue to look into this. Kind regards, -- Aaron Tomlin