+ mm-mempolicy-unify-the-parameter-sanity-check-for-mbind-and-set_mempolicy-v4.patch added to -mm tree

+ mm-mempolicy-unify-the-parameter-sanity-check-for-mbind-and-set_mempolicy-v4.patch added to -mm tree

[akpm]

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@intel.com>
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@intel.com
Signed-off-by: Feng Tang <feng.tang@intel.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Ben Widawsky <ben.widawsky@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 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@intel.com 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