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authorNick Desaulniers <nick.desaulniers@gmail.com>2018-01-31 16:20:15 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-01-31 17:18:39 -0800
commit01a6ad9ac80c9b861f63087f81e696f47b481168 (patch)
treed610f38680edb77a16ec3b15f59a8ea45c1cb245 /mm/zsmalloc.c
parent6787c1dab1724ca0d92110d83485c8c72dbf83f4 (diff)
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zsmalloc: use U suffix for negative literals being shifted
Fix warning about shifting unsigned literals being undefined behavior. Link: http://lkml.kernel.org/r/1515642078-4259-1-git-send-email-nick.desaulniers@gmail.com Signed-off-by: Nick Desaulniers <nick.desaulniers@gmail.com> Suggested-by: Minchan Kim <minchan@kernel.org> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Nick Desaulniers <nick.desaulniers@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/zsmalloc.c')
-rw-r--r--mm/zsmalloc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index f797d8b0d820..c3013505c305 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1047,7 +1047,7 @@ 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 = -1UL << OBJ_TAG_BITS;
}
kunmap_atomic(vaddr);
page = next_page;