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authorAlberto Garcia <berto@igalia.com>2016-11-25 13:27:46 +0200
committerKevin Wolf <kwolf@redhat.com>2016-11-25 13:51:31 +0100
commit8f57758311d816c66e88cfcfdc91f986f59345ad (patch)
tree7a7ad0f7688ac7e5c7da45e5e5c32fff21ae1c72 /docs/qcow2-cache.txt
parenta8b99dd51649672cb08458a25a762687e8067715 (diff)
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: Alberto Garcia <berto@igalia.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'docs/qcow2-cache.txt')
-rw-r--r--docs/qcow2-cache.txt5
1 files changed, 3 insertions, 2 deletions
diff --git a/docs/qcow2-cache.txt b/docs/qcow2-cache.txt
index 5bb06072d3..1fdd6f9ce7 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.