There's typo in page_remove_rmap(): we increase NR_ANON_PAGES counter
instead of decreasing it. Let's fix this.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Reported-by: Ning Qu <quning@xxxxxxxxxx>
---
mm/rmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/rmap.c b/mm/rmap.c
index 52cc59a..6219f07 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1156,7 +1156,7 @@ void page_remove_rmap(struct page *page)
__dec_zone_page_state(page,
NR_ANON_TRANSPARENT_HUGEPAGES);
__mod_zone_page_state(page_zone(page), NR_ANON_PAGES,
- hpage_nr_pages(page));
+ -hpage_nr_pages(page));
} else {
__dec_zone_page_state(page, NR_FILE_MAPPED);
mem_cgroup_dec_page_stat(page, MEM_CGROUP_STAT_FILE_MAPPED);
--
1.8.4.rc3
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