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b=eiH4zMPiC0vZGJOFwMRvCKkv/BwFsfu88Sggg3pKZkh+JmWDDb6zRqqihJGliu/a5 bTaE/c6rr1wX1y8P4/2rRq1deolO/QaBEMzVR/CUygE0LXotk3z1yQvJ3Usxt2l/Kk CJACH5gzSeGEwAG6of/HDzPn8rWorBV+EIrR6jxKN+nzWh3ZmjhgCg5upgrm5L4zKv Fr6njXdtf6k4n911UmCck4btGcQJU7c86/pqdvnd/LGo14kslmHPQ7Dvh1UHkK6qOe XKAjrLgnVV+a2CAk9QfvjImnGSfKiMDYaBVCmVVKX2S8o0n9KQDI6Plq5xTRXC1Unw 1N18Arpt7OOLA== From: SeongJae Park To: Usama Arif Cc: SeongJae Park , Andrew Morton , surenb@google.com, hannes@cmpxchg.org, shakeel.butt@linux.dev, vlad.wing@gmail.com, linux-mm@kvack.org, kent.overstreet@linux.dev, cl@gentwo.org, rientjes@google.com, vbabka@suse.cz, roman.gushchin@linux.dev, harry.yoo@oracle.com, linux-kernel@vger.kernel.org, kernel-team@meta.com Subject: Re: [PATCH v3] mm: slub: only warn once when allocating slab obj extensions fails Date: Fri, 23 May 2025 10:15:48 -0700 Message-Id: <20250523171548.57624-1-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250523165240.1477006-1-usamaarif642@gmail.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: zs7hy5e36qwpjeotza98g8zxpdxstkng X-Rspamd-Queue-Id: EBB38C0004 X-Rspam-User: X-Rspamd-Server: rspam02 X-HE-Tag: 1748020551-510624 X-HE-Meta: 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 AqmkjEC8 g1V4couMGW9qniGLmVxnOPNOIMYijtBamYW6Wx5SIkEG/4wqVCA1swLGrWuYakfLTZsFKrzylkTZ7u1epYibxtuGEGeqYtArkFAkaTLaoiDg1hCf+1Mi2A7BP62ERpThxesZ+u40FKT+a3T8fAk1FvV98yo7cRA/eLGezqlCV82mN/933ffAUMm8P2kQ+4xejxnsFZDql7b3JqibdRKjZe6KcWVrVex/Xw/Cby1bNDoSQJnDNovcowbZk+4VKpklc5Bmh/oHsAv31DUDtEi0oBDGaF2enrQ6TKzGsyOCYS3QcagusPraVaOMRWzSfgDz1uSk+HtPvVErtMW8= 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 Fri, 23 May 2025 17:52:40 +0100 Usama Arif wrote: > In memory bound systems, a large number of warnings for failing this > allocation repeatedly may mask any real issues in the system > during memory pressure being reported in dmesg. Change this to > warning only once. > > Signed-off-by: Usama Arif > Reported-by: Vlad Poenaru > Closes: https://lore.kernel.org/all/17fab2d6-5a74-4573-bcc3-b75951508f0a@gmail.com/ Reviewed-by: SeongJae Park Thanks, SJ [...]