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page_isolation: Fix a comment typo in test_pages_isolated()

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pageblock_nr_page should be pageblock_nr_pages, and fist is
a typo of first.

Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Tang Chen 2013-06-20 18:10:19 +08:00 committed by Jiri Kosina
parent 884ad3f167
commit 85dbe70607
1 changed files with 4 additions and 4 deletions
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8
mm/page_isolation.c
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@ -226,9 +226,9 @@ int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn,
int ret;
/*
* Note: pageblock_nr_page != MAX_ORDER. Then, chunks of free page
* is not aligned to pageblock_nr_pages.
* Then we just check pagetype fist.
* Note: pageblock_nr_pages != MAX_ORDER. Then, chunks of free pages
* are not aligned to pageblock_nr_pages.
* Then we just check migratetype first.
*/
for (pfn = start_pfn; pfn < end_pfn; pfn += pageblock_nr_pages) {
page = __first_valid_page(pfn, pageblock_nr_pages);
@ -238,7 +238,7 @@ int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn,
page = __first_valid_page(start_pfn, end_pfn - start_pfn);
if ((pfn < end_pfn) || !page)
return -EBUSY;
/* Check all pages are free or Marked as ISOLATED */
/* Check all pages are free or marked as ISOLATED */
zone = page_zone(page);
spin_lock_irqsave(&zone->lock, flags);
ret = __test_page_isolated_in_pageblock(start_pfn, end_pfn,