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Diffstat (limited to 'guestfs-actions.pod')
| -rw-r--r-- | guestfs-actions.pod | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/guestfs-actions.pod b/guestfs-actions.pod index 1cd4701e..b3daa054 100644 --- a/guestfs-actions.pod +++ b/guestfs-actions.pod @@ -576,6 +576,23 @@ See also C<guestfs_upload>, C<guestfs_cat>. This function returns 0 on success or -1 on error. +=head2 guestfs_drop_caches + + int guestfs_drop_caches (guestfs_h *handle, + int whattodrop); + +This instructs the guest kernel to drop its page cache, +and/or dentries and inode caches. The parameter C<whattodrop> +tells the kernel what precisely to drop, see +L<http://linux-mm.org/Drop_Caches> + +Setting C<whattodrop> to 3 should drop everything. + +This automatically calls L<sync(2)> before the operation, +so that the maximum guest memory is freed. + +This function returns 0 on success or -1 on error. + =head2 guestfs_exists int guestfs_exists (guestfs_h *handle, |