summaryrefslogtreecommitdiffstats
path: root/include/asm-x86/pgtable_64.h
diff options
context:
space:
mode:
authorLinus Torvalds2008-02-04 18:16:03 +0100
committerLinus Torvalds2008-02-04 18:16:03 +0100
commitd2fc0bacd5c438cb459fdf531eff00ab18422a00 (patch)
treed0ea52e4d2ad2fac12e19eaf6891c6af98353cfc /include/asm-x86/pgtable_64.h
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus (diff)
parentx86: fix RTC lockdep warning: potential hardirq recursion (diff)
downloadkernel-qcow2-linux-d2fc0bacd5c438cb459fdf531eff00ab18422a00.tar.gz
kernel-qcow2-linux-d2fc0bacd5c438cb459fdf531eff00ab18422a00.tar.xz
kernel-qcow2-linux-d2fc0bacd5c438cb459fdf531eff00ab18422a00.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86
* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: (78 commits) x86: fix RTC lockdep warning: potential hardirq recursion x86: cpa, micro-optimization x86: cpa, clean up code flow x86: cpa, eliminate CPA_ enum x86: cpa, cleanups x86: implement gbpages support in change_page_attr() x86: support gbpages in pagetable dump x86: add gbpages support to lookup_address x86: add pgtable accessor functions for gbpages x86: add PUD_PAGE_SIZE x86: add feature macros for the gbpages cpuid bit x86: switch direct mapping setup over to set_pte x86: fix page-present check in cpa_flush_range x86: remove cpa warning x86: remove now unused clear_kernel_mapping x86: switch pci-gart over to using set_memory_np() instead of clear_kernel_mapping() x86: cpa selftest, skip non present entries x86: CPA fix pagetable split x86: rename LARGE_PAGE_SIZE to PMD_PAGE_SIZE x86: cpa, fix lookup_address ...
Diffstat (limited to 'include/asm-x86/pgtable_64.h')
-rw-r--r--include/asm-x86/pgtable_64.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/asm-x86/pgtable_64.h b/include/asm-x86/pgtable_64.h
index 6e615a103c2f..bd4740a60f29 100644
--- a/include/asm-x86/pgtable_64.h
+++ b/include/asm-x86/pgtable_64.h
@@ -21,7 +21,6 @@ extern pgd_t init_level4_pgt[];
#define swapper_pg_dir init_level4_pgt
extern void paging_init(void);
-extern void clear_kernel_mapping(unsigned long addr, unsigned long size);
#endif /* !__ASSEMBLY__ */
@@ -199,6 +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))