The patch titled
Subject: mm/hugetlb: remove unnecessary 'NULL' values from pointer
has been added to the -mm mm-unstable branch. Its filename is
mm-hugetlb-remove-unnecessary-null-values-from-pointer.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-hugetlb-remove-unnecessary-null-values-from-pointer.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: XU pengfei <xupengfei@xxxxxxxxxxxx>
Subject: mm/hugetlb: remove unnecessary 'NULL' values from pointer
Date: Wed, 14 Sep 2022 09:21:14 +0800
Pointer variables allocate memory first, and then judge. There is no need
to initialize the assignment.
Link: https://lkml.kernel.org/r/20220914012113.6271-1-xupengfei@xxxxxxxxxxxx
Signed-off-by: XU pengfei <xupengfei@xxxxxxxxxxxx>
Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/hugetlb.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/mm/hugetlb.c~mm-hugetlb-remove-unnecessary-null-values-from-pointer
+++ a/mm/hugetlb.c
@@ -258,7 +258,7 @@ static inline struct hugepage_subpool *s
static struct file_region *
get_file_region_entry_from_cache(struct resv_map *resv, long from, long to)
{
- struct file_region *nrg = NULL;
+ struct file_region *nrg;
VM_BUG_ON(resv->region_cache_count <= 0);
@@ -340,7 +340,7 @@ static bool has_same_uncharge_info(struc
static void coalesce_file_region(struct resv_map *resv, struct file_region *rg)
{
- struct file_region *nrg = NULL, *prg = NULL;
+ struct file_region *nrg, *prg;
prg = list_prev_entry(rg, link);
if (&prg->link != &resv->regions && prg->to == rg->from &&
_
Patches currently in -mm which might be from xupengfei@xxxxxxxxxxxx are
mm-hugetlb-remove-unnecessary-null-values-from-pointer.patch
