The patch titled
Subject: mm/page_isolation: do some cleanup in "undo_isolate_page_range"
has been added to the -mm tree. Its filename is
mm-page_isolation-do-some-cleanup-in-undo_isolate_page_range.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-page_isolation-do-some-cleanup-in-undo_isolate_page_range.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-page_isolation-do-some-cleanup-in-undo_isolate_page_range.patch
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------------------------------------------------------
From: Wang Xiaoqiang <wangxq10@xxxxxxxxxx>
Subject: mm/page_isolation: do some cleanup in "undo_isolate_page_range"
Use "IS_ALIGNED" to judge the alignment, rather than directly judging.
Signed-off-by: Wang Xiaoqiang <wang_xiaoq@xxxxxxx>
Cc: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_isolation.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff -puN mm/page_isolation.c~mm-page_isolation-do-some-cleanup-in-undo_isolate_page_range mm/page_isolation.c
--- a/mm/page_isolation.c~mm-page_isolation-do-some-cleanup-in-undo_isolate_page_range
+++ a/mm/page_isolation.c
@@ -196,8 +196,10 @@ int undo_isolate_page_range(unsigned lon
{
unsigned long pfn;
struct page *page;
- BUG_ON((start_pfn) & (pageblock_nr_pages - 1));
- BUG_ON((end_pfn) & (pageblock_nr_pages - 1));
+
+ BUG_ON(!IS_ALIGNED(start_pfn, pageblock_nr_pages));
+ BUG_ON(!IS_ALIGNED(end_pfn, pageblock_nr_pages));
+
for (pfn = start_pfn;
pfn < end_pfn;
pfn += pageblock_nr_pages) {
_
Patches currently in -mm which might be from wangxq10@xxxxxxxxxx are
mm-page_isolation-do-some-cleanup-in-undo_isolate_page_range.patch
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