The patch titled
Subject: mm/vmalloc.c: don't reinvent the wheel but use existing llist API
has been added to the -mm tree. Its filename is
mm-dont-reinvent-the-wheel-but-use-existing-llist-api.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-dont-reinvent-the-wheel-but-use-existing-llist-api.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-dont-reinvent-the-wheel-but-use-existing-llist-api.patch
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------------------------------------------------------
From: Byungchul Park <byungchul.park@xxxxxxx>
Subject: 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@xxxxxxx
Signed-off-by: Byungchul Park <byungchul.park@xxxxxxx>
Cc: zijun_hu <zijun_hu@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Joel Fernandes <joelaf@xxxxxxxxxx>
Cc: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmalloc.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff -puN mm/vmalloc.c~mm-dont-reinvent-the-wheel-but-use-existing-llist-api mm/vmalloc.c
--- a/mm/vmalloc.c~mm-dont-reinvent-the-wheel-but-use-existing-llist-api
+++ a/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 ***/
_
Patches currently in -mm which might be from byungchul.park@xxxxxxx are
mm-dont-reinvent-the-wheel-but-use-existing-llist-api.patch
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