AcoSail/kernel_optimize_test
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x86: CPA: remove BUG_ON for LRU/Compound pages

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New implementation does not use lru for anything so there is no need
to reject pages that are in the LRU. Similar for compound pages (which
were checked because they also use page->lru)

[ tglx@linutronix.de: removed unused variable ]

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Andi Kleen 2008-02-11 10:50:21 +01:00 committed by Ingo Molnar
parent aa65af3f92
commit 8e31c2ac11
1 changed files with 0 additions and 5 deletions
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arch/x86/mm/pageattr.c
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@ -513,7 +513,6 @@ static int __change_page_attr(struct cpa_data *cpa, int primary)
unsigned long address = cpa->vaddr;
int do_split, err;
unsigned int level;
struct page *kpte_page;
pte_t *kpte, old_pte;
repeat:
@ -532,10 +531,6 @@ static int __change_page_attr(struct cpa_data *cpa, int primary)
return -EINVAL;
}
kpte_page = virt_to_page(kpte);
BUG_ON(PageLRU(kpte_page));
BUG_ON(PageCompound(kpte_page));
if (level == PG_LEVEL_4K) {
pte_t new_pte;
pgprot_t new_prot = pte_pgprot(old_pte);