diff options
| 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/xen/mmu.c | |
| 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/xen/mmu.c')
| -rw-r--r-- | arch/x86/xen/mmu.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index adca9e2b6553..65083ad63b6f 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -502,7 +502,7 @@ __visible pmd_t xen_make_pmd(pmdval_t pmd) } PV_CALLEE_SAVE_REGS_THUNK(xen_make_pmd); -#if PAGETABLE_LEVELS == 4 +#if CONFIG_PGTABLE_LEVELS == 4 __visible pudval_t xen_pud_val(pud_t pud) { return pte_mfn_to_pfn(pud.pud); @@ -589,7 +589,7 @@ static void xen_set_pgd(pgd_t *ptr, pgd_t val) xen_mc_issue(PARAVIRT_LAZY_MMU); } -#endif /* PAGETABLE_LEVELS == 4 */ +#endif /* CONFIG_PGTABLE_LEVELS == 4 */ /* * (Yet another) pagetable walker. This one is intended for pinning a @@ -1628,7 +1628,7 @@ static void xen_release_pmd(unsigned long pfn) xen_release_ptpage(pfn, PT_PMD); } -#if PAGETABLE_LEVELS == 4 +#if CONFIG_PGTABLE_LEVELS == 4 static void xen_alloc_pud(struct mm_struct *mm, unsigned long pfn) { xen_alloc_ptpage(mm, pfn, PT_PUD); @@ -2046,7 +2046,7 @@ static void __init xen_post_allocator_init(void) pv_mmu_ops.set_pte = xen_set_pte; pv_mmu_ops.set_pmd = xen_set_pmd; pv_mmu_ops.set_pud = xen_set_pud; -#if PAGETABLE_LEVELS == 4 +#if CONFIG_PGTABLE_LEVELS == 4 pv_mmu_ops.set_pgd = xen_set_pgd; #endif @@ -2056,7 +2056,7 @@ static void __init xen_post_allocator_init(void) pv_mmu_ops.alloc_pmd = xen_alloc_pmd; pv_mmu_ops.release_pte = xen_release_pte; pv_mmu_ops.release_pmd = xen_release_pmd; -#if PAGETABLE_LEVELS == 4 +#if CONFIG_PGTABLE_LEVELS == 4 pv_mmu_ops.alloc_pud = xen_alloc_pud; pv_mmu_ops.release_pud = xen_release_pud; #endif @@ -2122,14 +2122,14 @@ static const struct pv_mmu_ops xen_mmu_ops __initconst = { .make_pmd = PV_CALLEE_SAVE(xen_make_pmd), .pmd_val = PV_CALLEE_SAVE(xen_pmd_val), -#if PAGETABLE_LEVELS == 4 +#if CONFIG_PGTABLE_LEVELS == 4 .pud_val = PV_CALLEE_SAVE(xen_pud_val), .make_pud = PV_CALLEE_SAVE(xen_make_pud), .set_pgd = xen_set_pgd_hyper, .alloc_pud = xen_alloc_pmd_init, .release_pud = xen_release_pmd_init, -#endif /* PAGETABLE_LEVELS == 4 */ +#endif /* CONFIG_PGTABLE_LEVELS == 4 */ .activate_mm = xen_activate_mm, .dup_mmap = xen_dup_mmap, |