mm/z3fold.c: use gfpflags_allow_blocking
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. Link: http://lkml.kernel.org/r/20180408062206.GC16007@bombadil.infradead.org Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Vitaly Wool <vitalywool@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -538,7 +538,7 @@ static int z3fold_alloc(struct z3fold_pool *pool, size_t size, gfp_t gfp,
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struct z3fold_header *zhdr = NULL;
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struct z3fold_header *zhdr = NULL;
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struct page *page = NULL;
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struct page *page = NULL;
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enum buddy bud;
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enum buddy bud;
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bool can_sleep = (gfp & __GFP_RECLAIM) == __GFP_RECLAIM;
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bool can_sleep = gfpflags_allow_blocking(gfp);
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if (!size || (gfp & __GFP_HIGHMEM))
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if (!size || (gfp & __GFP_HIGHMEM))
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return -EINVAL;
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return -EINVAL;
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