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x86: remove cpa warning
author
Ingo Molnar
<mingo@elte.hu>
Mon, 4 Feb 2008 15:48:08 +0000
(16:48 +0100)
committer
Ingo Molnar
<mingo@elte.hu>
Mon, 4 Feb 2008 15:48:08 +0000
(16:48 +0100)
this race is legit and can happen on SMP systems.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/mm/pageattr.c
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diff --git
a/arch/x86/mm/pageattr.c
b/arch/x86/mm/pageattr.c
index 72880993af89bb9b23656e68e4e61f326d6cb5ac..0b029c97174ec4779825e1de739d2c430e6d09c9 100644
(file)
--- a/
arch/x86/mm/pageattr.c
+++ b/
arch/x86/mm/pageattr.c
@@
-356,10
+356,8
@@
static int split_large_page(pte_t *kpte, unsigned long address)
* up for us already:
*/
tmp = lookup_address(address, &level);
- if (tmp != kpte) {
- WARN_ON_ONCE(1);
+ if (tmp != kpte)
goto out_unlock;
- }
address = __pa(address);
addr = address & PMD_PAGE_MASK;