* [PATCH] z3fold: Use gfpflags_allow_blocking
@ 2018-04-08 6:22 Matthew Wilcox
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From: Matthew Wilcox @ 2018-04-08 6:22 UTC (permalink / raw)
To: Vitaly Wool; +Cc: linux-mm
From: Matthew Wilcox <mawilcox@microsoft.com>
We have a perfectly good macro to determine whether the gfp flags allow
you to sleep or not; use it instead of trying to infer it.
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
diff --git a/mm/z3fold.c b/mm/z3fold.c
index d589d318727f..46fed640a956 100644
--- a/mm/z3fold.c
+++ b/mm/z3fold.c
@@ -533,7 +533,7 @@ static int z3fold_alloc(struct z3fold_pool *pool, size_t size, gfp_t gfp,
struct z3fold_header *zhdr = NULL;
struct page *page = NULL;
enum buddy bud;
- bool can_sleep = (gfp & __GFP_RECLAIM) == __GFP_RECLAIM;
+ bool can_sleep = gfpflags_allow_blocking(gfp);
if (!size || (gfp & __GFP_HIGHMEM))
return -EINVAL;
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