diff options
| author | Dave Hansen <dave@linux.vnet.ibm.com> | 2013-01-22 13:24:32 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-01-25 16:33:23 -0800 |
| commit | f3c4fbb68e93b10c781c0cc462a9d80770244da6 (patch) | |
| tree | 6a56b1d5688f23361c3f305c2902053bdcd098ab /arch/x86/mm/pageattr.c | |
| parent | 4cbeb51b860c57ba8b2ae50c4016ee7a41f5fbd5 (diff) | |
x86, mm: Use new pagetable helpers in try_preserve_large_page()
try_preserve_large_page() can be slightly simplified by using
the new page_level_*() helpers. This also moves the 'level'
over to the new pg_level enum type.
Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/20130122212432.14F3D993@kernel.stglabs.ibm.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/mm/pageattr.c')
| -rw-r--r-- | arch/x86/mm/pageattr.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 40f92f3aea5..2a5c9ab710b 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -396,7 +396,7 @@ try_preserve_large_page(pte_t *kpte, unsigned long address, pte_t new_pte, old_pte, *tmp; pgprot_t old_prot, new_prot, req_prot; int i, do_split = 1; - unsigned int level; + enum pg_level level; if (cpa->force_split) return 1; @@ -412,15 +412,12 @@ try_preserve_large_page(pte_t *kpte, unsigned long address, switch (level) { case PG_LEVEL_2M: - psize = PMD_PAGE_SIZE; - pmask = PMD_PAGE_MASK; - break; #ifdef CONFIG_X86_64 case PG_LEVEL_1G: - psize = PUD_PAGE_SIZE; - pmask = PUD_PAGE_MASK; - break; #endif + psize = page_level_size(level); + pmask = page_level_mask(level); + break; default: do_split = -EINVAL; goto out_unlock; |