mm: add casts to/from gfp_t in gfp_to_alloc_flags()

This removes following warning from sparse:

 mm/page_alloc.c:1934:9: warning: restricted gfp_t degrades to integer

Signed-off-by: Namhyung Kim <namhyung@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:
Namhyung Kim 2010-10-26 14:21:59 -07:00 committed by Linus Torvalds
parent 0116651c85
commit e6223a3b19

View File

@ -1932,7 +1932,7 @@ gfp_to_alloc_flags(gfp_t gfp_mask)
const gfp_t wait = gfp_mask & __GFP_WAIT;
/* __GFP_HIGH is assumed to be the same as ALLOC_HIGH to save a branch. */
BUILD_BUG_ON(__GFP_HIGH != ALLOC_HIGH);
BUILD_BUG_ON(__GFP_HIGH != (__force gfp_t) ALLOC_HIGH);
/*
* The caller may dip into page reserves a bit more if the caller
@ -1940,7 +1940,7 @@ gfp_to_alloc_flags(gfp_t gfp_mask)
* policy or is asking for __GFP_HIGH memory. GFP_ATOMIC requests will
* set both ALLOC_HARDER (!wait) and ALLOC_HIGH (__GFP_HIGH).
*/
alloc_flags |= (gfp_mask & __GFP_HIGH);
alloc_flags |= (__force int) (gfp_mask & __GFP_HIGH);
if (!wait) {
alloc_flags |= ALLOC_HARDER;