diff options
| author | Sergey Senozhatsky | 2023-11-15 11:42:13 +0900 |
|---|---|---|
| committer | Andrew Morton | 2023-12-10 16:51:41 -0800 |
| commit | 2e16898d0df88e52b26e8bd110cdc4e687217426 (patch) | |
| tree | a9c00a37166774eef3f812569680aa4370b3df36 | |
| parent | a7a0350583ba51d8cde6180bb51d704b89a3b29e (diff) | |
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 <senozhatsky@chromium.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Dmytro Maluka <dmaluka@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | drivers/block/zram/Kconfig | 4 |
1 files changed, 2 insertions, 2 deletions
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. |