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mm: /proc/pid/smaps_rollup: fix maple tree search

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/proc/pid/smaps_rollup showed 0 kB for everything: now find first vma.

Link: https://lkml.kernel.org/r/3011bee7-182-97a2-1083-d5f5b688e54b@google.com
Fixes: c4c84f0628 ("fs/proc/task_mmu: stop using linked list and highest_vm_end")
Signed-off-by: Hugh Dickins <hughd@google.com>
Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Hugh Dickins 2022-10-18 20:18:38 -07:00 committed by Andrew Morton
parent 12df140f0b
commit 08ac85521c
1 changed files with 1 additions and 1 deletions
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2
fs/proc/task_mmu.c
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@ -902,7 +902,7 @@ static int show_smaps_rollup(struct seq_file *m, void *v)
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;