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authorJulien Grall <julien.grall@citrix.com>2015-08-10 19:10:38 +0100
committerDavid Vrabel <david.vrabel@citrix.com>2015-08-11 11:05:58 +0100
commitc22fe519e7e2b94ad173e0ea3b89c1a7d8be8d00 (patch)
treee93375e27bd4cc47c02b1ee2e8961a990ba48f8f /arch
parentad6cd7bafcd2c812ba4200d5938e07304f1e2fcd (diff)
xen/xenbus: Don't leak memory when unmapping the ring on HVM backend
The commit ccc9d90a9a8b5c4ad7e9708ec41f75ff9e98d61d "xenbus_client: Extend interface to support multi-page ring" removes the call to free_xenballooned_pages() in xenbus_unmap_ring_vfree_hvm(), leaking a page for every shared ring. Only with backends running in HVM domains were affected. Signed-off-by: Julien Grall <julien.grall@citrix.com> Cc: <stable@vger.kernel.org> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Reviewed-by: Wei Liu <wei.liu2@citrix.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
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