Commit c7e74b3c authored by Liao Pingfang's avatar Liao Pingfang Committed by Jonathan Corbet
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docs/mm: concepts.rst: Correct the threshold to low watermark 



It should be "low watermark" where we wake up kswapd daemon.

Signed-off-by: default avatarLiao Pingfang <winndows@163.com>
Link: https://lore.kernel.org/r/1609053319-3112-1-git-send-email-winndows@163.com


Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
parent 81e79063

Documentation/admin-guide/mm/concepts.rst

+1 −1
Original line number Diff line number Diff line
@@ -184,7 +184,7 @@ pages either asynchronously or synchronously, depending on the state 
of the system. When the system is not loaded, most of the memory is free

and allocation requests will be satisfied immediately from the free

pages supply. As the load increases, the amount of the free pages goes

down and when it reaches a certain threshold (high watermark), an

down and when it reaches a certain threshold (low watermark), an

allocation request will awaken the ``kswapd`` daemon. It will

asynchronously scan memory pages and either just free them if the data

they contain is available elsewhere, or evict to the backing storage