evie/android_kernel_oneplus_msm8998
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ion: free low memory from page pools first

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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: Colin Cross <ccross@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Colin Cross 2013-12-13 19:26:22 -08:00 • committed by Greg Kroah-Hartman
parent 8b312bb9a7
commit ce3d10933a
1 changed files with 3 additions and 3 deletions
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6
drivers/staging/android/ion/ion_page_pool.c
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@ -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;