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[172.10.233.147]) by smtp.gmail.com with ESMTPSA id w192-20020acaadc9000000b00353f41440dasm6184323oie.56.2022.10.18.20.18.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Oct 2022 20:18:49 -0700 (PDT) Date: Tue, 18 Oct 2022 20:18:38 -0700 (PDT) From: Hugh Dickins X-X-Sender: hugh@ripple.attlocal.net To: Andrew Morton cc: Matthew Wilcox , "Liam R. Howlett" , Alexey Dobriyan , Seth Jenkins , Vlastimil Babka , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH] mm: /proc/pid/smaps_rollup: fix maple tree search Message-ID: <3011bee7-182-97a2-1083-d5f5b688e54b@google.com> MIME-Version: 1.0 X-Spam-Status: No, score=-17.6 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, ENV_AND_HDR_SPF_MATCH,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, USER_IN_DEF_DKIM_WL,USER_IN_DEF_SPF_WL autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1747085219399248368?= X-GMAIL-MSGID: =?utf-8?q?1747085219399248368?= /proc/pid/smaps_rollup showed 0 kB for everything: now find first vma. Fixes: c4c84f06285e ("fs/proc/task_mmu: stop using linked list and highest_vm_end") Signed-off-by: Hugh Dickins Reviewed-by: Liam R. Howlett --- fs/proc/task_mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- 6.1-rc1/fs/proc/task_mmu.c +++ linux/fs/proc/task_mmu.c @@ -902,7 +902,7 @@ static int show_smaps_rollup(struct seq_ goto out_put_mm; hold_task_mempolicy(priv); - vma = mas_find(&mas, 0); + vma = mas_find(&mas, ULONG_MAX); if (unlikely(!vma)) goto empty_set;