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zsmalloc: use U suffix for negative literals being shifted

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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>
This commit is contained in:
Nick Desaulniers 2018-01-31 16:20:15 -08:00 committed by Linus Torvalds
parent 6787c1dab1
commit 01a6ad9ac8
1 changed files with 1 additions and 1 deletions
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2
mm/zsmalloc.c
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@ -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;