evie/android_kernel_oneplus_msm8998
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ion: Consider ion pool pages as indirectly reclaimable

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An issue is observed where mallocs are failing due to overcommit failure.
The failure happens when there is high ION page pool since ION page
pool is not considered reclaimable by the overcommit calculation code.
This change considers ion pool pages as indirectly reclaimable and thus
accounted as available memory in the overcommit calculation.

Change-Id: I8d63209b8c19286e55c407459ff124fdc58fdcc2
Signed-off-by: Vijayanand Jitta <vjitta@codeaurora.org>
This commit is contained in:
Vijayanand Jitta 2018-04-18 10:28:16 +05:30 • committed by Gerrit - the friendly Code Review server
parent d97c09c153
commit f17bd0f328
1 changed files with 5 additions and 0 deletions
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5
drivers/staging/android/ion/ion_page_pool.c
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@ -64,6 +64,9 @@ static int ion_page_pool_add(struct ion_page_pool *pool, struct page *page)
list_add_tail(&page->lru, &pool->low_items);
pool->low_count++;
}
mod_zone_page_state(page_zone(page), NR_INDIRECTLY_RECLAIMABLE_BYTES,
(1 << (PAGE_SHIFT + pool->order)));
mutex_unlock(&pool->mutex);
return 0;
}
@ -83,6 +86,8 @@ static struct page *ion_page_pool_remove(struct ion_page_pool *pool, bool high)
}
list_del(&page->lru);
mod_zone_page_state(page_zone(page), NR_INDIRECTLY_RECLAIMABLE_BYTES,
-(1 << (PAGE_SHIFT + pool->order)));
return page;
}