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[49.181.60.96]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b02a0cf2d9bsm74510a12.22.2025.04.08.18.10.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Apr 2025 18:10:05 -0700 (PDT) Received: from dave by dread.disaster.area with local (Exim 4.98) (envelope-from ) id 1u2Jx4-00000006Hcl-0fX6; Wed, 09 Apr 2025 11:10:02 +1000 Date: Wed, 9 Apr 2025 11:10:02 +1000 From: Dave Chinner To: Michal Hocko Cc: Andrew Morton , Shakeel Butt , Yafang Shao , Harry Yoo , Kees Cook , joel.granados@kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Josef Bacik , linux-mm@kvack.org, Vlastimil Babka Subject: Re: [PATCH] mm: kvmalloc: make kmalloc fast path real fast path Message-ID: References: <20250401073046.51121-1-laoar.shao@gmail.com> <3315D21B-0772-4312-BCFB-402F408B0EF6@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 01A9540009 X-Stat-Signature: fb7pe5gdjfdsjh3b4kmh6mtxppgyodg9 X-Rspam-User: X-HE-Tag: 1744161006-229998 X-HE-Meta: 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 cP0ha39/ kdyiCS8Mqc2IKW0dPjI5XysjKh8lnEyMu90iHLnX96QYGwlf14jx5rpNiEpM263bPnuLuuEKF//7ILedtwYUmBpjGNxoFAr1VDC6WFSsqmEXOZywUS4VR+AIUHGkoeJ6+FFt6kk78dEcI26OHQSq/CEwdzFU/jOWGxUNqT6sr6u1EwBUH2npxntAI1WK9be+sRXXXFxheP9Q7fl2xlGhMNv6R1rFcU63MW+Hh8DM45rELzyaXFqay4DViyYghlYhUbHp1Ki45hr30BNA/XA46PeiO/AYT83Ht4A6OijpUmUU9OVkPnqhczbeG6K63vK7OnYJnDu1H3Anj9L3NCl/MtnsvwsLIuir2LQucsS52ui9qQh2XowAbIvYb/fhGPoOVue6AZ75Pnu2ZI73EfIvfwTm7RRfeyyblnUJO0FMa06KRlRKLTGhXTJxLoaqy2tBUomMAhR9rCGlk9ekQhUQpcJ0jYdnzxeekHEfSgNPAZVlRPK8= X-Bogosity: Ham, tests=bogofilter, spamicity=0.110662, 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, Apr 03, 2025 at 09:51:44PM +0200, Michal Hocko wrote: > Add Andrew > > Also, Dave do you want me to redirect xlog_cil_kvmalloc to kvmalloc or > do you preffer to do that yourself? I'll do it when the kvmalloc patches evntually land and I can do back to back testing to determine if the new kvmalloc code behaves as expected... Please cc me on the new patches you send that modify the kvmalloc behaviour. -Dave. -- Dave Chinner david@fromorbit.com