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authorJeremy Fitzhardinge <jeremy@goop.org>2009-02-05 11:30:50 -0800
committerJeremy Fitzhardinge <jeremy@goop.org>2009-02-06 12:31:47 -0800
commit649e8ef60fac0a2f6960cdb090d73e78717ac065 (patch)
tree011b0ccd37851a13add701d87cfb74074e8df1b0 /arch
parent9f38d7e85e914f10a875f65d283432d55a12fc27 (diff)
downloadop-kernel-dev-649e8ef60fac0a2f6960cdb090d73e78717ac065.zip
op-kernel-dev-649e8ef60fac0a2f6960cdb090d73e78717ac065.tar.gz
x86: unify pmd_present
Impact: cleanup Unify and demacro pmd_present. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/include/asm/pgtable.h5
-rw-r--r--arch/x86/include/asm/pgtable_32.h1
-rw-r--r--arch/x86/include/asm/pgtable_64.h1
3 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 339e49a..147d3f0 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -445,6 +445,11 @@ static inline int pte_present(pte_t a)
return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE);
}
+static inline int pmd_present(pmd_t pmd)
+{
+ return pmd_val(pmd) & _PAGE_PRESENT;
+}
+
#if PAGETABLE_LEVELS > 2
static inline int pud_present(pud_t pud)
{
diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h
index 1880737..f351607 100644
--- a/arch/x86/include/asm/pgtable_32.h
+++ b/arch/x86/include/asm/pgtable_32.h
@@ -87,7 +87,6 @@ extern unsigned long pg0[];
/* To avoid harmful races, pmd_none(x) should check only the lower when PAE */
#define pmd_none(x) (!(unsigned long)pmd_val((x)))
-#define pmd_present(x) (pmd_val((x)) & _PAGE_PRESENT)
#define pmd_bad(x) ((pmd_val(x) & (PTE_FLAGS_MASK & ~_PAGE_USER)) != _KERNPG_TABLE)
#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT))
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index 4476346..471b305 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -208,7 +208,6 @@ static inline int pud_large(pud_t pte)
#define pmd_offset(dir, address) ((pmd_t *)pud_page_vaddr(*(dir)) + \
pmd_index(address))
#define pmd_none(x) (!pmd_val((x)))
-#define pmd_present(x) (pmd_val((x)) & _PAGE_PRESENT)
#define pfn_pmd(nr, prot) (__pmd(((nr) << PAGE_SHIFT) | pgprot_val((prot))))
#define pmd_pfn(x) ((pmd_val((x)) & __PHYSICAL_MASK) >> PAGE_SHIFT)
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