diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2008-01-30 13:34:04 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:34:04 +0100 |
| commit | 0a663088cd6ff9e89f285ae7689e6eee46cfb54c (patch) | |
| tree | 82125b77ca75df9c1869e5de6631e9cb1f162be6 /include/asm-x86/pgtable.h | |
| parent | e4b71dcf54fa90fc30fb901bbce7e38a46467af7 (diff) | |
x86: clean up lookup_address() declarations
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/pgtable.h')
| -rw-r--r-- | include/asm-x86/pgtable.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h index 2726ddc457fd..4409dabe31c6 100644 --- a/include/asm-x86/pgtable.h +++ b/include/asm-x86/pgtable.h @@ -234,6 +234,14 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) #ifndef __ASSEMBLY__ +/* + * Helper function that returns the kernel pagetable entry controlling + * the virtual address 'address'. NULL means no pagetable entry present. + * NOTE: the return type is pte_t but if the pmd is PSE then we return it + * as a pte too. + */ +extern pte_t *lookup_address(unsigned long address, int *level); + /* local pte updates need not use xchg for locking */ static inline pte_t native_local_ptep_get_and_clear(pte_t *ptep) { |