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msm: kgsl: Don't do intensive memory recovery when allocating big pages

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We don't want to incur too much overhead when allocating big pages
so don't attempt to retry, perform reclaim, or run memory compaction
on high-order allocations.

Change-Id: Ic0dedbadb354c6faea34abec36aee268ac0f2c34
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Ling Wan <lingw@codeaurora.org>
This commit is contained in:
Ling Wan 2013-04-05 16:22:59 -06:00 committed by Iliyan Malchev
parent ccc53d6971
commit fc864f49dc
1 changed files with 9 additions and 3 deletions
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12
drivers/gpu/msm/kgsl_sharedmem.c
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@ -617,16 +617,22 @@ _kgsl_sharedmem_page_alloc(struct kgsl_memdesc *memdesc,
while (len > 0) {
struct page *page;
unsigned int gfp_mask = GFP_KERNEL | __GFP_HIGHMEM |
__GFP_NOWARN | __GFP_NORETRY;
unsigned int gfp_mask = __GFP_HIGHMEM;
int j;
/* don't waste space at the end of the allocation*/
if (len < page_size)
page_size = PAGE_SIZE;
/*
* Don't do some of the more aggressive memory recovery
* techniques for large order allocations
*/
if (page_size != PAGE_SIZE)
gfp_mask |= __GFP_COMP;
gfp_mask |= __GFP_COMP | __GFP_NORETRY |
__GFP_NO_KSWAPD | __GFP_NOWARN;
else
gfp_mask |= GFP_KERNEL | __GFP_NORETRY;
page = alloc_pages(gfp_mask, get_order(page_size));