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Howlett" , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , linux-mm@kvack.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] mm/huge_memory: fix folio split check for anon folios in swapcache. Message-ID: <20251106014443.wkurq6p7ofhsffkn@master> Reply-To: Wei Yang References: <20251105162910.752266-1-ziy@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251105162910.752266-1-ziy@nvidia.com> User-Agent: NeoMutt/20170113 (1.7.2) On Wed, Nov 05, 2025 at 11:29:10AM -0500, Zi Yan wrote: >Both uniform and non uniform split check missed the check to prevent >splitting anon folios in swapcache to non-zero order. Fix the check. > >Fixes: 58729c04cf10 ("mm/huge_memory: add buddy allocator like (non-uniform) folio_split()") >Reported-by: "David Hildenbrand (Red Hat)" >Closes: https://lore.kernel.org/all/dc0ecc2c-4089-484f-917f-920fdca4c898@kernel.org/ >Cc: stable@vger.kernel.org >Signed-off-by: Zi Yan Reviewed-by: Wei Yang -- Wei Yang Help you, Help me