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From: Shakeel Butt To: Boris Burkov Cc: linux-btrfs@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, kernel-team@fb.com, wqu@suse.com, willy@infradead.org Subject: Re: [PATCH v2 3/3] btrfs: set AS_UNCHARGED on the btree_inode Message-ID: References: <786282400115bf7701d7f9c6b00a9549f67e29f7.1755300815.git.boris@bur.io> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <786282400115bf7701d7f9c6b00a9549f67e29f7.1755300815.git.boris@bur.io> X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: BC75B40002 X-Stat-Signature: kmriaz6eiy5us6oyxc8wk4wjqcpos9et X-HE-Tag: 1755305445-219295 X-HE-Meta: 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 ty7PqzVD U3rd27tvZIl0WC3tls6MahngaTbc2HAzZsLoN3OqOrbpnW/xL8YzzmbjC+cChxoqnb6izvls/eHkVIYZHywad4C4aJ5hl0rj61VAsJCXVQO/t/gQ+H9R6sNHh7VSzW5vqiQ2swZab+1qf6UxrzmednLin7KAlSwclVB1zHEX9KpKEm4/FCSEMinvfR+UKtrWf0CbU9g7bbOB7ZOwdSoQQlaauvmBnV/129svpB5sB9N8Th/YZSjEGoFhGJVhFhcM6uqP/ 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 Fri, Aug 15, 2025 at 04:40:33PM -0700, Boris Burkov wrote: > extent_buffers are global and shared so their pages should not belong to > any particular cgroup (currently whichever cgroups happens to allocate > the extent_buffer). > > Btrfs tree operations should not arbitrarily block on cgroup reclaim or > have the shared extent_buffer pages on a cgroup's reclaim lists. > > Signed-off-by: Boris Burkov Acked-by: Shakeel Butt I think mm-tree is better for this series.