From 874e3cddc33f0c0f9cc08ad2b73fa0cbe7dfaa63 Mon Sep 17 00:00:00 2001 From: Minchan Kim Date: Thu, 30 Jan 2014 15:46:01 -0800 Subject: zram: remove unnecessary free Commit a0c516cbfc74 ("zram: don't grab mutex in zram_slot_free_noity") introduced pending zram slot free in zram's write path in case of missing slot free by memory allocation failure in zram_slot_free_notify but it is not necessary because we have already freed the slot right before overwriting. Signed-off-by: Minchan Kim Cc: Nitin Gupta Cc: Jerome Marchand Tested-by: Sergey Senozhatsky Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/zram/zram_drv.c | 8 -------- 1 file changed, 8 deletions(-) (limited to 'drivers') diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index d87c7e98fb11..ebfddd852272 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -441,14 +441,6 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index, goto out; } - /* - * zram_slot_free_notify could miss free so that let's - * double check. - */ - if (unlikely(meta->table[index].handle || - zram_test_flag(meta, index, ZRAM_ZERO))) - zram_free_page(zram, index); - ret = lzo1x_1_compress(uncmem, PAGE_SIZE, src, &clen, meta->compress_workmem); -- cgit v1.2.3