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Commit ce3d1093 authored by Colin Cross's avatar Colin Cross Committed by Greg Kroah-Hartman
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ion: free low memory from page pools first 



When the shrinkers are called with GFP_HIGH free low memory first,
it is more important to have free than high memory.

Signed-off-by: default avatarColin Cross <ccross@android.com>
Signed-off-by: default avatarJohn Stultz <john.stultz@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 8b312bb9

drivers/staging/android/ion/ion_page_pool.c

+3 −3
Original line number Diff line number Diff line
@@ -143,10 +143,10 @@ int ion_page_pool_shrink(struct ion_page_pool *pool, gfp_t gfp_mask, 
		struct page *page;



		mutex_lock(&pool->mutex);

		if (high && pool->high_count) {

			page = ion_page_pool_remove(pool, true);

		} else if (pool->low_count) {

		if (pool->low_count) {

			page = ion_page_pool_remove(pool, false);

		} else if (high && pool->high_count) {

			page = ion_page_pool_remove(pool, true);

		} else {

			mutex_unlock(&pool->mutex);

			break;