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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2016-02-05 15:36:53 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-02-05 18:10:40 -0800
commitae026204a2b9060817503408906b35cefd824420 (patch)
tree55e159233ebbc7265ae0b90a97ce6d687c1d6183
parent12352d3cae2cebe18805a91fab34b534d7444231 (diff)
downloadlinux-ae026204a2b9060817503408906b35cefd824420.tar.bz2
thp: make deferred_split_scan() work again
We need to iterate over split_queue, not local empty list to get anything split from the shrinker. Fixes: e3ae19535c66 ("thp: limit number of object to scan on deferred_split_scan()") Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--mm/huge_memory.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 36c070167b71..08fc0ba2207e 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -3482,7 +3482,7 @@ static unsigned long deferred_split_scan(struct shrinker *shrink,
spin_lock_irqsave(&pgdata->split_queue_lock, flags);
/* Take pin on all head pages to avoid freeing them under us */
- list_for_each_safe(pos, next, &list) {
+ list_for_each_safe(pos, next, &pgdata->split_queue) {
page = list_entry((void *)pos, struct page, mapping);
page = compound_head(page);
if (get_page_unless_zero(page)) {