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Sat, 24 Dec 2022 22:16:56 -0800 (PST) Received: from localhost ([185.92.221.13]) by smtp.gmail.com with ESMTPSA id a12-20020a05640213cc00b0046bf7ebbbadsm3270540edx.42.2022.12.24.22.16.56 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Sat, 24 Dec 2022 22:16:56 -0800 (PST) Date: Sun, 25 Dec 2022 06:16:56 +0000 From: Wei Yang To: Wei Yang Cc: Liam.Howlett@oracle.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] maple_tree: should get pivots boundary by type Message-ID: <20221225061656.o7bl66m7oez4q67m@master> Reply-To: Wei Yang References: <20221112234308.23823-1-richard.weiyang@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221112234308.23823-1-richard.weiyang@gmail.com> User-Agent: NeoMutt/20170113 (1.7.2) X-Rspam-User: X-Rspamd-Queue-Id: 481F5180009 X-Rspamd-Server: rspam01 X-Stat-Signature: d1qtp7xmfauqqcqjtpytefw9e9bhf6c9 X-HE-Tag: 1671949018-138509 X-HE-Meta: U2FsdGVkX1884AfdQlKWm9Y57mKw1DhixoYz/wkfYPNFZXjS+HfmvsCwjuwus4SMB+QUdp+UpZEmVqprXloi4V7FBLXjL70Lxj6C6gpdl/UjcNFJ/4Hv18s33vVFKVgsKdQ7Ln+BW+iIDJMWTkWKfLpPwg0G0Z2fzZ9lG0peTsWGv3r/MZHsd0qB3bSY50Lp84bVjXgNuZ+pEpdYhEd+ROnl3wFYWBRhQVBxSm0gnn1AviF7iExGCzGOEbkjHpZ392kCAV2naog9QBwkyQb0t9YBGbLffjNPE8Z6qMLx8yFO08256E8aWpZQILOogTAJAnH0uaVw4xTZNuzGjZYjsRjP3mkP2+7bsl1PS+yQitWcvaXaDC/VCW39WHrY6MrkYSiVfyYFk71DDoMrbdFXbaokiMmn/Gxxwbx0HNX0nlR4B1eNgl7WLFp/KCoFd3Q2uY38HihyEjg23BzZz2VE4cWXgczXUfbR5V7bLAw6ogEfppPPHeNR0FheU8C/lnuu1feztRvuWey4c5iP+n2tTYElP6AW9azyv45ZqOo9KL5ahrGW2IAlG+/MQv7ZZ7z0Ju8gNWVXa4YxQVMH73xVKAsx8+mpC3ZQVgBzvGHDLT6BrokT4XrRmqZf9un2XwSfG5CIg7LJMHdZtGbVVEv65Ig4ko1tzktkacDFn6utNc3FqDBpPBCAvVruIGTrR4w8MC1EDlBbGRuBvNfiu9Q6O4ESOnQw5PqvASH0e+uc1CN2LhRxfwONJpu3FFSAq3BEEfzUt7GGtceBN/ItbdVVi7ytAz1TfpM6cdQ2BYL31Gy1GuNtxBRbGUPByxeSKkADb1X7FAjk6w2HHOeh2EX0oA7YLxeW4rZQEk/zEZumIQihFHCk4yemPtEJ2drT7EiGWEkJGlgtyzDP2q2QXwFu3NtYD6B77BrvBB1/ivc4WzKK5rqNVfvrYyHhBsqKrysaEc6+8yR8C1zj+7RH74I IxCNW1ug Ms2t2Lxr8g/lu7bBX+TFDSpNat6rP2MJfeiCpyNmrx13OvWkm2PBTouuygV/U2enZxyltz/r/uZRplXHGbEFWBH3fnTce+GBR7B9q04olwV8YfZHn9KlbcdqE7ZVbQiXHpqm4R1VkmBtst1niImekIkt3Ne5Lcuc8eg2oDGj8JpETfGZGf7YrxlOOwlHRMbfs565k5G4o58jemVrRVbryEqBdeRjxt+PrnfUXVPkRMMSSItFjrxIOOzSHy+jk6czbFlAeiCljp7F3v9qf74/H3gbln5zY/LdyN6IOOPShiE/p7Da1la6I37TP5J54/kE48IqiDYPxhOaqxon1MAf5Hrjfew== 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: May I ask who would pick this? On Sat, Nov 12, 2022 at 11:43:08PM +0000, Wei Yang wrote: >We should get pivots boundary by type. > >Fixes: 54a611b60590 (Maple Tree: add new data structure) >Signed-off-by: Wei Yang >CC: Liam R. Howlett >Reviewed-by: Liam R. Howlett > >--- >* kernel build looks good >--- > lib/maple_tree.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > >diff --git a/lib/maple_tree.c b/lib/maple_tree.c >index 73e2e6434e2f..2123d1930a9b 100644 >--- a/lib/maple_tree.c >+++ b/lib/maple_tree.c >@@ -669,12 +669,13 @@ static inline unsigned long mte_pivot(const struct maple_enode *mn, > unsigned char piv) > { > struct maple_node *node = mte_to_node(mn); >+ enum maple_type type = mte_node_type(mn); > >- if (piv >= mt_pivots[piv]) { >+ if (piv >= mt_pivots[type]) { > WARN_ON(1); > return 0; > } >- switch (mte_node_type(mn)) { >+ switch (type) { > case maple_arange_64: > return node->ma64.pivot[piv]; > case maple_range_64: >-- >2.33.1 -- Wei Yang Help you, Help me