Commit f3b0c6c8 authored by Sergey Senozhatsky's avatar Sergey Senozhatsky Committed by Andrew Morton
Browse files

zram: remove writestall zram_stats member 

There is no zsmalloc handle allocation slow path now and writestall is not
possible any longer.  Remove it from zram_stats.

Link: https://lkml.kernel.org/r/20250303022425.285971-8-senozhatsky@chromium.org


Signed-off-by: default avatarSergey Senozhatsky <senozhatsky@chromium.org>
Cc: Hillf Danton <hdanton@sina.com>
Cc: Kairui Song <ryncsn@gmail.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Yosry Ahmed <yosry.ahmed@linux.dev>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 9c7ccc8d

drivers/block/zram/zram_drv.c

+1 −2
Original line number Diff line number Diff line
@@ -1437,9 +1437,8 @@ static ssize_t debug_stat_show(struct device *dev, 


	down_read(&zram->init_lock);

	ret = scnprintf(buf, PAGE_SIZE,

			"version: %d\n%8llu %8llu\n",

			"version: %d\n0 %8llu\n",

			version,

			(u64)atomic64_read(&zram->stats.writestall),

			(u64)atomic64_read(&zram->stats.miss_free));

	up_read(&zram->init_lock);

drivers/block/zram/zram_drv.h

+0 −1
Original line number Diff line number Diff line
@@ -82,7 +82,6 @@ struct zram_stats { 
	atomic64_t huge_pages_since;	/* no. of huge pages since zram set up */

	atomic64_t pages_stored;	/* no. of pages currently stored */

	atomic_long_t max_used_pages;	/* no. of maximum pages stored */

	atomic64_t writestall;		/* no. of write slow paths */

	atomic64_t miss_free;		/* no. of missed free */

#ifdef	CONFIG_ZRAM_WRITEBACK

	atomic64_t bd_count;		/* no. of pages in backing device */