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-rw-r--r--mm/page_cgroup.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c
index f59d797dc5a9..1223d927904d 100644
--- a/mm/page_cgroup.c
+++ b/mm/page_cgroup.c
@@ -165,7 +165,7 @@ int online_page_cgroup(unsigned long start_pfn,
unsigned long start, end, pfn;
int fail = 0;
- start = start_pfn & (PAGES_PER_SECTION - 1);
+ start = start_pfn & ~(PAGES_PER_SECTION - 1);
end = ALIGN(start_pfn + nr_pages, PAGES_PER_SECTION);
for (pfn = start; !fail && pfn < end; pfn += PAGES_PER_SECTION) {
@@ -188,7 +188,7 @@ int offline_page_cgroup(unsigned long start_pfn,
{
unsigned long start, end, pfn;
- start = start_pfn & (PAGES_PER_SECTION - 1);
+ start = start_pfn & ~(PAGES_PER_SECTION - 1);
end = ALIGN(start_pfn + nr_pages, PAGES_PER_SECTION);
for (pfn = start; pfn < end; pfn += PAGES_PER_SECTION)
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