The patch titled
Subject: mm/mempolicy: unify the parameter sanity check for mbind and set_mempolicy
has been added to the -mm tree. Its filename is
mm-mempolicy-unify-the-parameter-sanity-check-for-mbind-and-set_mempolicy-v4.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-mempolicy-unify-the-parameter-sanity-check-for-mbind-and-set_mempolicy-v4.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-mempolicy-unify-the-parameter-sanity-check-for-mbind-and-set_mempolicy-v4.patch
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------------------------------------------------------
From: Feng Tang <feng.tang@xxxxxxxxx>
Subject: mm/mempolicy: unify the parameter sanity check for mbind and set_mempolicy
add comment
Link: https://lkml.kernel.org/r/1622560492-1294-4-git-send-email-feng.tang@xxxxxxxxx
Signed-off-by: Feng Tang <feng.tang@xxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Ben Widawsky <ben.widawsky@xxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Huang Ying <ying.huang@xxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/mempolicy.c | 1 +
1 file changed, 1 insertion(+)
--- a/mm/mempolicy.c~mm-mempolicy-unify-the-parameter-sanity-check-for-mbind-and-set_mempolicy-v4
+++ a/mm/mempolicy.c
@@ -1440,6 +1440,7 @@ static int copy_nodes_to_user(unsigned l
return copy_to_user(mask, nodes_addr(*nodes), copy) ? -EFAULT : 0;
}
+/* Basic parameter sanity check used by both mbind() and set_mempolicy() */
static inline int sanitize_mpol_flags(int *mode, unsigned short *flags)
{
*flags = *mode & MPOL_MODE_FLAGS;
_
Patches currently in -mm which might be from feng.tang@xxxxxxxxx are
mm-mempolicy-cleanup-nodemask-intersection-check-for-oom.patch
mm-mempolicy-dont-handle-mpol_local-like-a-fake-mpol_preferred-policy.patch
mm-mempolicy-dont-handle-mpol_local-like-a-fake-mpol_preferred-policy-v4.patch
mm-mempolicy-unify-the-parameter-sanity-check-for-mbind-and-set_mempolicy.patch
mm-mempolicy-unify-the-parameter-sanity-check-for-mbind-and-set_mempolicy-v4.patch
