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x86: cpa: fix split thinko 

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2008-01-30 13:34:07 +01:00 committed by Ingo Molnar
parent 3c1df68b84
commit a72a08a4b6
1 changed files with 4 additions and 0 deletions
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4
arch/x86/mm/pageattr.c
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@ -216,8 +216,12 @@ __change_page_attr(unsigned long address, unsigned long pfn, pgprot_t prot)
prot = static_protections(prot, address);
if (level == PG_LEVEL_4K) {
WARN_ON_ONCE(pgprot_val(prot) & _PAGE_PSE);
set_pte_atomic(kpte, pfn_pte(pfn, canon_pgprot(prot)));
} else {
/* Clear the PSE bit for the 4k level pages ! */
pgprot_val(prot) = pgprot_val(prot) & ~_PAGE_PSE;
err = split_large_page(kpte, address);
if (!err)
goto repeat;