From: Alberto Garcia <be...@igalia.com> Make it clear that having Linux is a hard requirement for this feature.
Signed-off-by: Alberto Garcia <be...@igalia.com> Signed-off-by: Kevin Wolf <kw...@redhat.com> --- docs/qcow2-cache.txt | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/docs/qcow2-cache.txt b/docs/qcow2-cache.txt index 5bb0607..1fdd6f9 100644 --- a/docs/qcow2-cache.txt +++ b/docs/qcow2-cache.txt @@ -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. -- 1.8.3.1
