pagemap.h: Allow readahead Movable allocations from CMA region



There are a lot of readahead Movable allocations.

These allocations don't appear to get 'pinned' so allow them to be
satisfied from the CMA region in order to better utilize CMA memory.

Change-Id: I87387a748e67a6963b9a526b729e6e273c1cc519
Signed-off-by: Liam Mark <lmark@codeaurora.org>

parent f6f026ce

include/linux/pagemap.h

+7 −2

Original line number	Diff line number	Diff line
		@@ -239,8 +239,13 @@ static inline struct page page_cache_alloc_cold(struct address_space x)

		static inline gfp_t readahead_gfp_mask(struct address_space *x)
		{
		return mapping_gfp_mask(x) \|
		gfp_t gfp_mask = mapping_gfp_mask(x) \|
		__GFP_COLD \| __GFP_NORETRY \| __GFP_NOWARN;

		if (gfp_mask & __GFP_MOVABLE)
		gfp_mask \|= __GFP_CMA;

		return gfp_mask;
		}

		typedef int filler_t(struct file , struct page );