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DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1748901457; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=5ONrfrV4v6p5aGon1KG4bYL2RjbY1NYGsVSB2rTgu2w=; b=Xv7MitK5l/EfFeD02fXfgnEr2EV8me4qUK+T3O2VddjSXVTmYm2a9Cfd/sqHfVh/3cejPS YzoMLNUCZpJT+PMfaIOUnHbPpWGwlVkjKXEHlbdu06tNXMXR+PMwnAZSYoL8lnD5iUDury eEPw1TvPBVvEJx8Ed1YcjiBeQxn5egE= From: Roman Gushchin To: Usama Arif Cc: 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, 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 In-Reply-To: <20250523165240.1477006-1-usamaarif642@gmail.com> (Usama Arif's message of "Fri, 23 May 2025 17:52:40 +0100") References: <20250523165240.1477006-1-usamaarif642@gmail.com> Date: Mon, 02 Jun 2025 21:57:20 +0000 Message-ID: <7ia4ldq9vmbj.fsf@castle.c.googlers.com> MIME-Version: 1.0 Content-Type: text/plain X-Migadu-Flow: FLOW_OUT X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 63765140006 X-Stat-Signature: 8w398guem1ypkufdbrqhefcycssybikd X-Rspam-User: X-HE-Tag: 1748901458-367889 X-HE-Meta: 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 kL2Rtmcy Aj+dYf5hkpG5Sgn1i25Z6Lh5Xb+73ksnGrfqsZ55t5a6NHo+wvUV2a59jNNyE+VWFmM5O1caPANeGZY+nLqcanIy1sbVP5f8sg0ixblxOTirwpIbyoSOpXmWSRCcjc+JPi5h3vjEbO4RG0JSeUUMjgQ7/UIAST/UG38AvQ2sska+mmpyFDYFvUZlw4MaCYT0v3SbidcNtixaPxuuNzZaH2WohyLkPSKIVYPBBeKP8BzhFUNe6POWKh2Fgrw== 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: Usama Arif writes: > 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/ Acked-by: Roman Gushchin Thanks!