From 894e58c1475a03cd8260be7f28444cc298239432 Mon Sep 17 00:00:00 2001
From: Byungchul Park <byungchul.park@lge.com>
Date: Wed, 6 Sep 2017 16:24:26 -0700
Subject: [PATCH] mm/vmalloc.c: don't reinvent the wheel but use existing llist
API
Although llist provides proper APIs, they are not used. Make them used.
Link: http://lkml.kernel.org/r/1502095374-16112-1-git-send-email-byungchul.park@lge.com
Signed-off-by: Byungchul Park <byungchul.park@lge.com>
Cc: zijun_hu <zijun_hu@htc.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Joel Fernandes <joelaf@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
mm/vmalloc.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index fa409c9092be0..8a43db6284ebc 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -49,12 +49,10 @@ static void __vunmap(const void *, int);
static void free_work(struct work_struct *w)
{
struct vfree_deferred *p = container_of(w, struct vfree_deferred, wq);
- struct llist_node *llnode = llist_del_all(&p->list);
- while (llnode) {
- void *p = llnode;
- llnode = llist_next(llnode);
- __vunmap(p, 1);
- }
+ struct llist_node *t, *llnode;
+
+ llist_for_each_safe(llnode, t, llist_del_all(&p->list))
+ __vunmap((void *)llnode, 1);
}
/*** Page table manipulation functions ***/
--
GitLab