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Mon, 26 Feb 2024 16:51:43 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id MgflBZ/B3GVLFgAAD6G6ig (envelope-from ); Mon, 26 Feb 2024 16:51:43 +0000 Message-ID: Date: Mon, 26 Feb 2024 17:51:42 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 08/36] mm: introduce __GFP_NO_OBJ_EXT flag to selectively prevent slabobj_ext creation Content-Language: en-US To: Suren Baghdasaryan , akpm@linux-foundation.org Cc: kent.overstreet@linux.dev, mhocko@suse.com, hannes@cmpxchg.org, roman.gushchin@linux.dev, mgorman@suse.de, dave@stgolabs.net, willy@infradead.org, liam.howlett@oracle.com, penguin-kernel@i-love.sakura.ne.jp, corbet@lwn.net, void@manifault.com, peterz@infradead.org, juri.lelli@redhat.com, catalin.marinas@arm.com, will@kernel.org, arnd@arndb.de, tglx@linutronix.de, mingo@redhat.com, dave.hansen@linux.intel.com, x86@kernel.org, peterx@redhat.com, david@redhat.com, axboe@kernel.dk, mcgrof@kernel.org, masahiroy@kernel.org, nathan@kernel.org, dennis@kernel.org, tj@kernel.org, muchun.song@linux.dev, rppt@kernel.org, paulmck@kernel.org, pasha.tatashin@soleen.com, yosryahmed@google.com, yuzhao@google.com, dhowells@redhat.com, hughd@google.com, andreyknvl@gmail.com, keescook@chromium.org, ndesaulniers@google.com, vvvvvv@google.com, gregkh@linuxfoundation.org, ebiggers@google.com, ytcoode@gmail.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, bristot@redhat.com, vschneid@redhat.com, cl@linux.com, penberg@kernel.org, iamjoonsoo.kim@lge.com, 42.hyeyoo@gmail.com, glider@google.com, elver@google.com, dvyukov@google.com, shakeelb@google.com, songmuchun@bytedance.com, jbaron@akamai.com, rientjes@google.com, minchan@google.com, kaleshsingh@google.com, kernel-team@android.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux.dev, linux-arch@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-modules@vger.kernel.org, kasan-dev@googlegroups.com, cgroups@vger.kernel.org References: <20240221194052.927623-1-surenb@google.com> <20240221194052.927623-9-surenb@google.com> From: Vlastimil Babka In-Reply-To: <20240221194052.927623-9-surenb@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: C353C1C0010 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: wirg8jrjaki67benkxpzxw36h5zfww57 X-HE-Tag: 1708966305-339094 X-HE-Meta: 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 KNFCrPSf es4Ser9yeiwl0wE2FxwI9j34dDHYFwn01+uJcXPxH8WGhWchU83ZqtemTEvFWEDtKGBhyPdBRhzJjcjAjVRzdqo3/NQ== 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 2/21/24 20:40, Suren Baghdasaryan wrote: > Introduce __GFP_NO_OBJ_EXT flag in order to prevent recursive allocations > when allocating slabobj_ext on a slab. > > Signed-off-by: Suren Baghdasaryan > Reviewed-by: Kees Cook Reviewed-by: Vlastimil Babka