lkml.org 
[lkml]   [2016]   [Jun]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] mm: update the comment in __isolate_free_page
Date
From: zhong jiang <zhongjiang@huawei.com>

we need to assure the code is consistent with comment. otherwise,
Freshman feel hard to learn it.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
---
mm/page_alloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 6903b69..3842400 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2509,7 +2509,7 @@ int __isolate_free_page(struct page *page, unsigned int order)

set_page_owner(page, order, __GFP_MOVABLE);

- /* 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) {
--
1.8.3.1
\
 
 \ /
  Last update: 2016-06-17 16:41    [W:0.027 / U:0.224 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site