zram: use size_t instead of u16

Some architectures (eg, hexagon and PowerPC) could use PAGE_SHIFT of 16
or more.  In these cases u16 is not sufficiently large to represent a
compressed page's size so use size_t.

Signed-off-by: Minchan Kim <[email protected]>
Reported-by: Weijie Yang <[email protected]>
Acked-by: Sergey Senozhatsky <[email protected]>
Cc: Jerome Marchand <[email protected]>
Cc: Nitin Gupta <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 36e54be402df30b68c579e09c588193f5f015e00..40743972eaf7d4d038fe72c0ed12f45caeace023 100644 (file)
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -337,7 +337,7 @@ static int zram_decompress_page(struct zram *zram, char *mem, u32 index)
        unsigned char *cmem;
        struct zram_meta *meta = zram->meta;
        unsigned long handle;
-       u16 size;
+       size_t size;
 
        read_lock(&meta->tb_lock);
        handle = meta->table[index].handle;