The patch titled
Subject: mmap: find_vma: remove the WARN_ON_ONCE(!mm) check
has been removed from the -mm tree. Its filename was
mmap-find_vma-remove-the-warn_on_oncemm-check.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>
Subject: mmap: find_vma: remove the WARN_ON_ONCE(!mm) check
Remove the WARN_ON_ONCE(!mm) check as the comment suggested. Kernel code
calls find_vma only when it is absolutely sure that the mm_struct arg to
it is non-NULL.
Signed-off-by: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>
Cc: k80c <k80ck80c@xxxxxxxxx>
Cc: Michel Lespinasse <walken@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/mmap.c | 3 ---
1 file changed, 3 deletions(-)
diff -puN mm/mmap.c~mmap-find_vma-remove-the-warn_on_oncemm-check mm/mmap.c
--- a/mm/mmap.c~mmap-find_vma-remove-the-warn_on_oncemm-check
+++ a/mm/mmap.c
@@ -1935,9 +1935,6 @@ struct vm_area_struct *find_vma(struct m
{
struct vm_area_struct *vma = NULL;
- if (WARN_ON_ONCE(!mm)) /* Remove this in linux-3.6 */
- return NULL;
-
/* Check the cache first. */
/* (Cache hit rate is typically around 35%.) */
vma = ACCESS_ONCE(mm->mmap_cache);
_
Patches currently in -mm which might be from zhangyanfei@xxxxxxxxxxxxxx are
origin.patch
linux-next.patch
ipvs-change-type-of-netns_ipvs-sysctl_sync_qlen_max.patch
kexec-fix-wrong-types-of-some-local-variables.patch
kexec-use-min_t-to-simplify-logic.patch
kexec-use-min_t-to-simplify-logic-fix.patch
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