diff options
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/blockdev/zram.rst | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Documentation/admin-guide/blockdev/zram.rst b/Documentation/admin-guide/blockdev/zram.rst index d898b7ace33d..f14c8c2e42f3 100644 --- a/Documentation/admin-guide/blockdev/zram.rst +++ b/Documentation/admin-guide/blockdev/zram.rst @@ -348,8 +348,13 @@ this can be accomplished with:: echo huge_idle > /sys/block/zramX/writeback +If a user chooses to writeback only incompressible pages (pages that none of +algorithms can compress) this can be accomplished with:: + + echo incompressible > /sys/block/zramX/writeback + If an admin wants to write a specific page in zram device to the backing device, -they could write a page index into the interface. +they could write a page index into the interface:: echo "page_index=1251" > /sys/block/zramX/writeback |