The patch titled
mm/mempolicy.c: check return code of check_range
has been added to the -mm tree. Its filename is
mm-mempolicy-check-return-code-of-check_range.patch
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------------------------------------------------------
Subject: mm/mempolicy.c: check return code of check_range
From: Vasiliy Kulikov <segooon@xxxxxxxxx>
Function check_range may return ERR_PTR(...). Check for it.
Signed-off-by: Vasiliy Kulikov <segooon@xxxxxxxxx>
Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
Reviewed-by: Christoph Lameter <cl@xxxxxxxxx>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/mempolicy.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff -puN mm/mempolicy.c~mm-mempolicy-check-return-code-of-check_range mm/mempolicy.c
--- a/mm/mempolicy.c~mm-mempolicy-check-return-code-of-check_range
+++ a/mm/mempolicy.c
@@ -924,12 +924,15 @@ static int migrate_to_node(struct mm_str
nodemask_t nmask;
LIST_HEAD(pagelist);
int err = 0;
+ struct vm_area_struct *vma;
nodes_clear(nmask);
node_set(source, nmask);
- check_range(mm, mm->mmap->vm_start, mm->task_size, &nmask,
+ vma = check_range(mm, mm->mmap->vm_start, mm->task_size, &nmask,
flags | MPOL_MF_DISCONTIG_OK, &pagelist);
+ if (IS_ERR(vma))
+ return PTR_ERR(vma);
if (!list_empty(&pagelist))
err = migrate_pages(&pagelist, new_node_page, dest, 0);
_
Patches currently in -mm which might be from segooon@xxxxxxxxx are
linux-next.patch
md-check-return-code-of-read_sb_page.patch
mm-mempolicy-check-return-code-of-check_range.patch
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