The patch titled
Subject: mm/mempolicy.c: check parameters first in kernel_get_mempolicy
has been removed from the -mm tree. Its filename was
mm-mempolicy-check-parameters-first-in-kernel_get_mempolicy.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Wenchao Hao <haowenchao22@xxxxxxxxx>
Subject: mm/mempolicy.c: check parameters first in kernel_get_mempolicy
Previous implementatoin calls untagged_addr() before error check, while if
the error check failed and return EINVAL, the untagged_addr() call is just
useless work.
Link: http://lkml.kernel.org/r/20200801090825.5597-1-haowenchao22@xxxxxxxxx
Signed-off-by: Wenchao Hao <haowenchao22@xxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/mempolicy.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/mm/mempolicy.c~mm-mempolicy-check-parameters-first-in-kernel_get_mempolicy
+++ a/mm/mempolicy.c
@@ -1632,11 +1632,11 @@ static int kernel_get_mempolicy(int __us
int pval;
nodemask_t nodes;
- addr = untagged_addr(addr);
-
if (nmask != NULL && maxnode < nr_node_ids)
return -EINVAL;
+ addr = untagged_addr(addr);
+
err = do_get_mempolicy(&pval, &nodes, addr, flags);
if (err)
_
Patches currently in -mm which might be from haowenchao22@xxxxxxxxx are
