diff options
| author | Minchan Kim <minchan@kernel.org> | 2017-05-04 00:55:53 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-04 01:52:11 +0300 |
| commit | 302128dce142d780417aa548bfd7ef4dfb89fa80 (patch) | |
| tree | 2d3d00d6b3633f9e3d898c19c14b3a71fd6e97ed /drivers/block | |
| parent | 643ae61d0f41c48aa7179921fe15ba4b4d8ddfec (diff) | |
| download | linux-302128dce142d780417aa548bfd7ef4dfb89fa80.tar.xz | |
zram: use zram_free_page instead of open-coded
The zram_free_page already handles NULL handle case and same page so use
it to reduce error probability. (Acutaully, I made a mistake when I
handled same page feature)
Link: http://lkml.kernel.org/r/1492052365-16169-7-git-send-email-minchan@kernel.org
Signed-off-by: Minchan Kim <minchan@kernel.org>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/zram/zram_drv.c | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 61b0f8374222..d303334e3da3 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -480,17 +480,8 @@ static void zram_meta_free(struct zram *zram, u64 disksize) size_t index; /* Free all pages that are still in this zram device */ - for (index = 0; index < num_pages; index++) { - unsigned long handle = zram_get_handle(zram, index); - /* - * No memory is allocated for same element filled pages. - * Simply clear same page flag. - */ - if (!handle || zram_test_flag(zram, index, ZRAM_SAME)) - continue; - - zs_free(zram->mem_pool, handle); - } + for (index = 0; index < num_pages; index++) + zram_free_page(zram, index); zs_destroy_pool(zram->mem_pool); vfree(zram->table); @@ -978,9 +969,6 @@ static void zram_reset_device(struct zram *zram) comp = zram->comp; disksize = zram->disksize; - - /* Reset stats */ - memset(&zram->stats, 0, sizeof(zram->stats)); zram->disksize = 0; set_capacity(zram->disk, 0); @@ -989,6 +977,7 @@ static void zram_reset_device(struct zram *zram) up_write(&zram->init_lock); /* I/O operation under all of CPU are done so let's free */ zram_meta_free(zram, disksize); + memset(&zram->stats, 0, sizeof(zram->stats)); zcomp_destroy(comp); } |