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mm/vmalloc.c: use rb_entry_safe
author
Geliang Tang
<geliangtang@gmail.com>
Wed, 22 Feb 2017 23:41:54 +0000
(15:41 -0800)
committer
0ranko0P
<ranko0p@outlook.com>
Tue, 24 Dec 2019 20:42:38 +0000
(
04:42
+0800)
Use rb_entry_safe() instead of open-coding it.
Link:
http://lkml.kernel.org/r/81bb9820e5b9e4a1c596b3e76f88abf8c4a76cb0.1482221947.git.geliangtang@gmail.com
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/vmalloc.c
patch
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diff --git
a/mm/vmalloc.c
b/mm/vmalloc.c
index
eb59d6b
..
0325fe5
100644
(file)
--- a/
mm/vmalloc.c
+++ b/
mm/vmalloc.c
@@
-2848,7
+2848,7
@@
EXPORT_SYMBOL_GPL(free_vm_area);
#ifdef CONFIG_SMP
static struct vmap_area *node_to_va(struct rb_node *n)
{
- return
n ? rb_entry(n, struct vmap_area, rb_node) : NULL
;
+ return
rb_entry_safe(n, struct vmap_area, rb_node)
;
}
/**