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Howlett" , Wei Yang , akpm@linux-foundation.org, maple-tree@lists.infradead.org, linux-mm@kvack.org, Lorenzo Stoakes , Sidhartha Kumar Subject: Re: [PATCH 3/3] maple_tree: we don't set offset to MAPLE_NODE_SLOTS on error Message-ID: <20241119021526.72di4fthc6wvif6a@master> Reply-To: Wei Yang References: <20241116014805.11547-1-richard.weiyang@gmail.com> <20241116014805.11547-4-richard.weiyang@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170113 (1.7.2) X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: E964B8000C X-Stat-Signature: tayc51zmkuhdy8ph1m3ew9a4dkurm6ui X-Rspam-User: X-HE-Tag: 1731982437-956968 X-HE-Meta: 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 5vWsj1hL 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.182594, 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 Mon, Nov 18, 2024 at 03:50:49PM -0500, Liam R. Howlett wrote: >* Wei Yang [241115 20:48]: >> When mas_anode_descend() not find gap, it sets -EBUSY instead of setting >> offset to MAPLE_NODE_SLOTS. > >This is for mas_start(), which I think is not necessary anymore. You mean mas_start() would set offset to MAPLE_NODE_SLOTS on ma_none and ma_root? Thanks for the information, I didn't realize this. These two cases are handled by mas_sparse_area(). -- Wei Yang Help you, Help me