From 2e16898d0df88e52b26e8bd110cdc4e687217426 Mon Sep 17 00:00:00 2001 From: Sergey Senozhatsky Date: Wed, 15 Nov 2023 11:42:13 +0900 Subject: zram: tweak writeback config help Writeback is for incompressible and idle zram pages. Link: https://lkml.kernel.org/r/20231115024223.4133148-2-senozhatsky@chromium.org Signed-off-by: Sergey Senozhatsky Cc: Minchan Kim Cc: Dmytro Maluka Signed-off-by: Andrew Morton --- drivers/block/zram/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/block') diff --git a/drivers/block/zram/Kconfig b/drivers/block/zram/Kconfig index af201392ed52..7b29cce60ab2 100644 --- a/drivers/block/zram/Kconfig +++ b/drivers/block/zram/Kconfig @@ -59,8 +59,8 @@ config ZRAM_WRITEBACK bool "Write back incompressible or idle page to backing device" depends on ZRAM help - With incompressible page, there is no memory saving to keep it - in memory. Instead, write it out to backing device. + This lets zram entries (incompressible or idle pages) be written + back to a backing device, helping save memory. For this feature, admin should set up backing device via /sys/block/zramX/backing_dev. -- cgit v1.2.3