tree a4f154ce7ad556fb5677e154b45747479694482b
parent 7afe15b9d888050435cd154906828df88d4e667d
author Ingo Molnar <mingo@elte.hu> 1201696437 +0100
committer Ingo Molnar <mingo@elte.hu> 1201696437 +0100

x86: cpa: simplify locking

further simplify cpa locking: since the largepage-split is a
slowpath, use the pgd_lock for the whole operation, intead
of the mmap_sem.

This also makes it suitable for DEBUG_PAGEALLOC purposes again.

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