lkml.org 
[lkml]   [2017]   [Dec]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] zsmalloc: use U suffix for negative literals being shifted
Date
Fixes warnings about shifting unsigned literals being undefined
behavior.

Signed-off-by: Nick Desaulniers <nick.desaulniers@gmail.com>
---
mm/zsmalloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 685049a..5d31458 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1056,7 +1056,7 @@ static void init_zspage(struct size_class *class, struct zspage *zspage)
* Reset OBJ_TAG_BITS bit to last link to tell
* whether it's allocated object or not.
*/
- link->next = -1 << OBJ_TAG_BITS;
+ link->next = -1U << OBJ_TAG_BITS;
}
kunmap_atomic(vaddr);
page = next_page;
--
2.7.4
\
 
 \ /
  Last update: 2017-12-24 03:35    [W:0.152 / U:0.708 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site