lkml.org 
[lkml]   [2009]   [Jan]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Subject[PATCH 1/5] Fix dubious bitwise 'or' usage spotted by sparse.
From
Date
It doesn't change the semantics, but it looks like
the logical 'or' was meant to be used here.

Signed-off-by: Alexey Zaytsev <alexey.zaytsev@gmail.com>
---
mm/page_alloc.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index d8ac014..6923237 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -306,7 +306,7 @@ static void destroy_compound_page(struct page *page, unsigned long order)
for (i = 1; i < nr_pages; i++) {
struct page *p = page + i;

- if (unlikely(!PageTail(p) |
+ if (unlikely(!PageTail(p) ||
(p->first_page != page)))
bad_page(page);
__ClearPageTail(p);


\
 
 \ /
  Last update: 2009-01-10 00:43    [W:0.078 / U:0.028 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site