2022-08-03 07:02:08

by Li kunyu

Subject: [PATCH] page_alloc: remove inactive initialization

The allocation address of the table pointer variable is first performed
in the function, no initialization assignment is required, and no
invalid pointer will appear.

Signed-off-by: Li kunyu <[email protected]>
---
mm/page_alloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index b0bcab50f0a3..38d559e8aee6 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -8885,7 +8885,7 @@ void *__init alloc_large_system_hash(const char *tablename,
{
unsigned long long max = high_limit;
unsigned long log2qty, size;
- void *table = NULL;
+ void *table;
gfp_t gfp_flags;
bool virt;
bool huge;
--
2.18.2

2022-08-12 02:44:18

by Li kunyu

Subject: Re: [PATCH] page_alloc: remove inactive initialization

Many thanks to Mr. Andrew Morton, this patch is entered in the mm-unstable module.

Patch address:
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/page_alloc-remove-inactive-initialization.patch

Module address:
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm