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Commit 835abc0e authored by Sudarshan Rajagopalan's avatar Sudarshan Rajagopalan
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ion: skip refilling for order 0 pools 



skip refilling order 0 pools to reduce fragmentation
in the system.

Change-Id: Iac6ff150923bdb5914d6e0919382b07537d93f5b
Signed-off-by: default avatarSudarshan Rajagopalan <sudaraja@codeaurora.org>
parent e6651127

drivers/staging/android/ion/ion_page_pool.c

+4 −0
Original line number Diff line number Diff line
@@ -81,6 +81,10 @@ void ion_page_pool_refill(struct ion_page_pool *pool) 
	gfp_t gfp_refill = (pool->gfp_mask | __GFP_RECLAIM) & ~__GFP_NORETRY;

	struct device *dev = pool->heap.priv;



	/* skip refilling order 0 pools */

	if (!pool->order)

		return;



	while (!pool_fillmark_reached(pool) && pool_refill_ok(pool)) {

		page = alloc_pages(gfp_refill, pool->order);

		if (!page)