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| author |   zhong jiang <zhongjiang@huawei.com> | 2016-07-28 15:45:07 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-28 16:07:41 -0700 |
| commit | 400bc7fd4fa7d33c96d836e6b65eeed246f1959a (patch) | |
| tree | a86dc157557715af3cfe61f98a1c8863e9633052 /mm/page_alloc.c | |
| parent | mm, oom: tighten task_will_free_mem() locking (diff) | |
| download | linux-dev-400bc7fd4fa7d33c96d836e6b65eeed246f1959a.tar.xz linux-dev-400bc7fd4fa7d33c96d836e6b65eeed246f1959a.zip | |
mm: update the comment in __isolate_free_page
We need to assure the comment is consistent with the code.
[akpm@linux-foundation.org: coding-style fixes]
Link: http://lkml.kernel.org/r/1466171914-21027-1-git-send-email-zhongjiang@huawei.com
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 452513bf02ce..b6d38b1c1cdb 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2517,7 +2517,10 @@ int __isolate_free_page(struct page *page, unsigned int order) zone->free_area[order].nr_free--; rmv_page_order(page); - /* Set the pageblock if the isolated page is at least a pageblock */ + /* + * Set the pageblock if the isolated page is at least half of a + * pageblock + */ if (order >= pageblock_order - 1) { struct page *endpage = page + (1 << order) - 1; for (; page < endpage; page += pageblock_nr_pages) { |