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(parent: f4ae5da) | patch
x86: cpa, preserve large pages if possible
authorThomas Gleixner <tglx@linutronix.de>
Mon, 4 Feb 2008 15:48:07 +0000 (16:48 +0100)
committerIngo Molnar <mingo@elte.hu>
Mon, 4 Feb 2008 15:48:07 +0000 (16:48 +0100)
commit65e074dffa198978ab0c9976a19b954fbe1183e2
treea50807444598c6d7a64ed75af23f9a246ee40d86tree | snapshot
parentf4ae5da0e8e92caa168e7c2a7c4a6c4064b082c2commit | diff
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>
arch/x86/mm/pageattr.c diff | blob | history
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