From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 4 Feb 2008 15:48:08 +0000 (+0100)
Subject: x86: CPA fix pagetable split
X-Git-Tag: v2.6.25-rc1~1057^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=07cf89c05f2bbafa002401ac4e09ac31678513e4;p=pandora-kernel.git

x86: CPA fix pagetable split

Move the readout of the large entry into the spinlock section to
prevent an unlikely but possible race.

Mark the pmd/pud entry present after the split. We preserved the
non present bit in the new split mapping.

Remove the stale gfp_flags double initialization.

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