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zram: correct documentation about sysfs node of huge page writeback 

sysfs node for huge page writeback is writeback rather than write.

Signed-off-by: Yue Hu <huyue2@yulong.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Link: https://lore.kernel.org/r/20200120102949.12132-1-zbestahu@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Yue Hu 2020-01-20 18:29:49 +08:00 committed by Jonathan Corbet
parent a3e1c56a0b
commit 5871023c3a
1 changed files with 1 additions and 1 deletions
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Documentation/admin-guide/blockdev/zram.rst
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@ -319,7 +319,7 @@ To use the feature, admin should set up backing device via::
before disksize setting. It supports only partition at this moment.
If admin wants to use incompressible page writeback, they could do via::
echo huge > /sys/block/zramX/write
echo huge > /sys/block/zramX/writeback
To use idle page writeback, first, user need to declare zram pages
as idle::