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/openbmc/linux/drivers/block/null_blk/
H A Dmain.c48 #define MAP_SZ ((PAGE_SIZE >> SECTOR_SHIFT) + 2) macro
63 DECLARE_BITMAP(bitmap, MAP_SZ);
65 #define NULLB_PAGE_LOCK (MAP_SZ - 1)
66 #define NULLB_PAGE_FREE (MAP_SZ - 2)
907 int size = MAP_SZ - 2; in null_page_empty()