tree a50807444598c6d7a64ed75af23f9a246ee40d86
parent f4ae5da0e8e92caa168e7c2a7c4a6c4064b082c2
author Thomas Gleixner <tglx@linutronix.de> 1202140087 +0100
committer Ingo Molnar <mingo@elte.hu> 1202140087 +0100

x86: cpa, preserve large pages if possible

When CPA is called on a range which fits into a large page mapping,
avoid to split the page when:

1) There is no change of attributes
2) The range to change is a complete large mapping

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>