[PATCH v2 8/9] staging: ion: shrink highmem pages on kswapd

ION system heap keeps pages in its pool for better performance. When the system is under memory pressure, slab shrinker calls the callback registered and then the pages pooled get freed. When the shrinker is called, it checks gfp_mask and determines whether the pages from highmem need to be freed

[PATCH v2 8/9] staging: ion: shrink highmem pages on kswapd

ION system heap keeps pages in its pool for better performance. When the system is under memory pressure, slab shrinker calls the callback registered and then the pages pooled get freed. When the shrinker is called, it checks gfp_mask and determines whether the pages from highmem need to be freed