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| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2015-04-15 01:46:14 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-15 02:49:02 +0300 |
| commit | 982333683385343d8d2db9a1df69c98406f42687 (patch) | |
| tree | 2ce273cf325bcad64d032090344778fb0267f59a /arch/x86/kernel | |
| parent | 6b8ce2a1a464526335672c33cbf3cb9fc638efff (diff) | |
| download | linux-982333683385343d8d2db9a1df69c98406f42687.tar.xz | |
x86: expose number of page table levels on Kconfig level
We would want to use number of page table level to define mm_struct.
Let's expose it as CONFIG_PGTABLE_LEVELS.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/paravirt.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index 548d25f00c90..c614dd492f5f 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -443,7 +443,7 @@ struct pv_mmu_ops pv_mmu_ops = { .ptep_modify_prot_start = __ptep_modify_prot_start, .ptep_modify_prot_commit = __ptep_modify_prot_commit, -#if PAGETABLE_LEVELS >= 3 +#if CONFIG_PGTABLE_LEVELS >= 3 #ifdef CONFIG_X86_PAE .set_pte_atomic = native_set_pte_atomic, .pte_clear = native_pte_clear, @@ -454,13 +454,13 @@ struct pv_mmu_ops pv_mmu_ops = { .pmd_val = PTE_IDENT, .make_pmd = PTE_IDENT, -#if PAGETABLE_LEVELS == 4 +#if CONFIG_PGTABLE_LEVELS == 4 .pud_val = PTE_IDENT, .make_pud = PTE_IDENT, .set_pgd = native_set_pgd, #endif -#endif /* PAGETABLE_LEVELS >= 3 */ +#endif /* CONFIG_PGTABLE_LEVELS >= 3 */ .pte_val = PTE_IDENT, .pgd_val = PTE_IDENT, |