From: Andi Kleen Date: Mon, 11 Feb 2008 09:50:21 +0000 (+0100) Subject: x86: CPA: remove BUG_ON for LRU/Compound pages X-Git-Tag: v2.6.25-rc3~109^2~23 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8e31c2ac1101b09ad6c6d3539b032d312cc3302b;p=platform%2Fkernel%2Flinux-3.10.git x86: CPA: remove BUG_ON for LRU/Compound pages 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 Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 3ee1499..e2a74ea 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -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 @@ repeat: 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);