From 20d35b5204ce59304a65876323a90dabf4fcecd2 Mon Sep 17 00:00:00 2001 From: Sergey Senozhatsky Date: Sat, 22 Feb 2025 07:25:37 +0900 Subject: [PATCH] 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/20250221222958.2225035-7-senozhatsky@chromium.org Signed-off-by: Sergey Senozhatsky Cc: Minchan Kim Cc: Sebastian Andrzej Siewior Cc: Yosry Ahmed Signed-off-by: Andrew Morton --- drivers/block/zram/zram_drv.c | 3 +-- drivers/block/zram/zram_drv.h | 1 - 2 files changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 4ccc1a1a8f20e..710b10c6e3362 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -1443,9 +1443,8 @@ 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); diff --git a/drivers/block/zram/zram_drv.h b/drivers/block/zram/zram_drv.h index 2c380ea9a8164..59c75154524f5 100644 --- a/drivers/block/zram/zram_drv.h +++ b/drivers/block/zram/zram_drv.h @@ -84,7 +84,6 @@ 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 */ -- 2.50.1