The patch titled
Subject: mm: /proc/pid/smaps_rollup: fix maple tree search
has been added to the -mm mm-hotfixes-unstable branch. Its filename is
mm-proc-pid-smaps_rollup-fix-maple-tree-search.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-proc-pid-smaps_rollup-fix-maple-tree-search.patch
This patch will later appear in the mm-hotfixes-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Hugh Dickins <hughd@xxxxxxxxxx>
Subject: mm: /proc/pid/smaps_rollup: fix maple tree search
Date: Tue, 18 Oct 2022 20:18:38 -0700 (PDT)
/proc/pid/smaps_rollup showed 0 kB for everything: now find first vma.
Link: https://lkml.kernel.org/r/3011bee7-182-97a2-1083-d5f5b688e54b@xxxxxxxxxx
Fixes: c4c84f06285e ("fs/proc/task_mmu: stop using linked list and highest_vm_end")
Signed-off-by: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Cc: Liam Howlett <liam.howlett@xxxxxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/proc/task_mmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/proc/task_mmu.c~mm-proc-pid-smaps_rollup-fix-maple-tree-search
+++ a/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;
_
Patches currently in -mm which might be from hughd@xxxxxxxxxx are
mm-proc-pid-smaps_rollup-fix-maple-tree-search.patch
