Commit 8f577583 authored by Alberto Garcia's avatar Alberto Garcia Committed by Kevin Wolf
Browse files

docs: Specify that cache-clean-interval is only supported in Linux 



Make it clear that having Linux is a hard requirement for this
feature.

Signed-off-by: default avatarAlberto Garcia <berto@igalia.com>
Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
parent a8b99dd5

docs/qcow2-cache.txt

+3 −2
Original line number Diff line number Diff line
@@ -160,5 +160,6 @@ If unset, the default value for this parameter is 0 and it disables 
this feature.



Note that this functionality currently relies on the MADV_DONTNEED

argument for madvise() to actually free the memory, so it is not

useful in systems that don't follow that behavior.
 
argument for madvise() to actually free the memory. This is a

Linux-specific feature, so cache-clean-interval is not supported in

other systems.