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From: Hao Li To: "Vlastimil Babka (SUSE)" Cc: Harry Yoo , Christoph Lameter , David Rientjes , Roman Gushchin , Suren Baghdasaryan , Alexei Starovoitov , Andrew Morton , Johannes Weiner , Michal Hocko , Shakeel Butt , Alexander Potapenko , Marco Elver , Dmitry Vyukov , kasan-dev@googlegroups.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org Subject: Re: [PATCH v3 03/15] mm/slab: introduce slab_alloc_context Message-ID: References: <20260615-slab_alloc_flags-v3-0-ce1146d140fb@kernel.org> <20260615-slab_alloc_flags-v3-3-ce1146d140fb@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260615-slab_alloc_flags-v3-3-ce1146d140fb@kernel.org> X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 424FE140007 X-Stat-Signature: fedqp9ot8aiu1f5gihn8hdzges8mi8kr X-HE-Tag: 1781664824-406749 X-HE-Meta: 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 vpjatFLt tQUrVn1z7t9i/snfqR5dG7vnv9DanmrI5YlTn5bRL79A6rrsDLYfaGFkkcjW3DRyPeeYdhiqv1v8WnyoMuKy/w/D3YcUuOnmBw8XYpLBkvYxMYGDKh3eppNYuq76XQyuwOM1J+QoKvN1o+H6XJvoCb0DW8Ud6+N0Rd9z8+XP+bxM3EKu7jd9mDNdPGASVIuWed0tFkQwdyneDQEnWSyTdwcG/zv4QrRym7jIgQtj+uIW/UiKBGaVLB7Am8gSxMRWx7muhrAaeWHsuOF+gvJOHHyt7GICa+hU+s+q0ZvcPUNMMwtNmlQ5dnHglPAW5GcPNAWhrNPzX4w2M52X2Z2SGjrduC78tqAfZAN5nj9ESp9kFVU4RW0sVavFKDJ+kyVshv43sdd0ib/K20yXRnPY98CJmDSjeykVEgmY1 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Jun 15, 2026 at 01:54:36PM +0200, Vlastimil Babka (SUSE) wrote: > Similarly to page allocator's struct alloc_context, introduce a helper > struct to hold a part of the allocation arguments. This will allow > reducing the number of parameters in many functions of the > implementation, and extend them easily if needed. > > For now, make it hold the caller address and the originally requested > allocation size. > > Convert alloc_single_from_new_slab(), __slab_alloc_node() and > ___slab_alloc(). No functional change intended. > > Link: https://patch.msgid.link/20260610-slab_alloc_flags-v2-4-7190909db118@kernel.org > Reviewed-by: Harry Yoo (Oracle) > Reviewed-by: Suren Baghdasaryan > Signed-off-by: Vlastimil Babka (SUSE) > --- Reviewed-by: Hao Li -- Thanks, Hao