[PATCH v4 1/4] zram: introduce zram_entry to prepare dedup functionality

From: Joonsoo Kim Following patch will implement deduplication functionality in the zram and it requires an indirection layer to manage the life cycle of zsmalloc handle. To prepare that, this patch introduces zram_entry which can be used to manage the life-cycle of

[PATCH v4 1/4] zram: introduce zram_entry to prepare dedup functionality

From: Joonsoo Kim Following patch will implement deduplication functionality in the zram and it requires an indirection layer to manage the life cycle of zsmalloc handle. To prepare that, this patch introduces zram_entry which can be used to manage the life-cycle of zsmalloc handle. Many lines