[PATCH] [1/8] CPA: Fix gbpages support in try_preserve_lage_page

Andi Kleen
2008-02-11T09:35:01Z

Use correct page sizes and masks for GB pages in try_preserve_large_page()

This prevents a boot hang on a GB capable system with CONFIG_DIRECT_GBPAGES
enabled.

Signed-off-by: Andi Kleen <ak@suse.de>

---
arch/x86/mm/pageattr.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

Index: linux/arch/x86/mm/pageattr.c
===================================================================
--- linux.orig/arch/x86/mm/pageattr.c
+++ linux/arch/x86/mm/pageattr.c
@@ -278,8 +278,8 @@ try_preserve_large_page(pte_t *kpte, uns
break;
#ifdef CONFIG_X86_64
case PG_LEVEL_1G:
- psize = PMD_PAGE_SIZE;
- pmask = PMD_PAGE_MASK;
+ psize = PUD_PAGE_SIZE;
+ pmask = PUD_PAGE_MASK;
break;
#endif