Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=61e19a347ad4bcdda615ef77ef9c3e656e254f3d
Commit: 61e19a347ad4bcdda615ef77ef9c3e656e254f3d
Parent: fbff3c21aff29ffdfa46b50946696689d3e70a48
Author: Andi Kleen <[EMAIL PROTECTED]>
AuthorDate: Mon Feb 4 16:48:09 2008 +0100
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Mon Feb 4 16:48:09 2008 +0100
x86: add pgtable accessor functions for gbpages
Signed-off-by: Andi Kleen <[EMAIL PROTECTED]>
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
---
include/asm-x86/pgtable_32.h | 2 ++
include/asm-x86/pgtable_64.h | 6 ++++++
2 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h
index 21e70fb..935630d 100644
--- a/include/asm-x86/pgtable_32.h
+++ b/include/asm-x86/pgtable_32.h
@@ -148,6 +148,8 @@ static inline void clone_pgd_range(pgd_t *dst, pgd_t *src,
int count)
*/
#define pgd_offset_k(address) pgd_offset(&init_mm, address)
+static inline int pud_large(pud_t pud) { return 0; }
+
/*
* the pmd page can be thought of an array like this: pmd_t[PTRS_PER_PMD]
*
diff --git a/include/asm-x86/pgtable_64.h b/include/asm-x86/pgtable_64.h
index 5c86cff..bd4740a 100644
--- a/include/asm-x86/pgtable_64.h
+++ b/include/asm-x86/pgtable_64.h
@@ -198,6 +198,12 @@ static inline unsigned long pmd_bad(pmd_t pmd)
#define pud_offset(pgd, address) ((pud_t *) pgd_page_vaddr(*(pgd)) +
pud_index(address))
#define pud_present(pud) (pud_val(pud) & _PAGE_PRESENT)
+static inline int pud_large(pud_t pte)
+{
+ return (pud_val(pte) & (_PAGE_PSE|_PAGE_PRESENT)) ==
+ (_PAGE_PSE|_PAGE_PRESENT);
+}
+
/* PMD - Level 2 access */
#define pmd_page_vaddr(pmd) ((unsigned long) __va(pmd_val(pmd) & PTE_MASK))
#define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT))
-
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