diff options
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/init_64.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 0fe690ebc269..7ea7d4745681 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -90,6 +90,12 @@ DEFINE_ENTRY(pud, pud, init) DEFINE_ENTRY(pmd, pmd, init) DEFINE_ENTRY(pte, pte, init) +static inline pgprot_t prot_sethuge(pgprot_t prot) +{ + WARN_ON_ONCE(pgprot_val(prot) & _PAGE_PAT); + + return __pgprot(pgprot_val(prot) | _PAGE_PSE); +} /* * NOTE: pagetable_init alloc all the fixmap pagetables contiguous on the @@ -557,9 +563,8 @@ phys_pmd_init(pmd_t *pmd_page, unsigned long paddr, unsigned long paddr_end, if (page_size_mask & (1<<PG_LEVEL_2M)) { pages++; spin_lock(&init_mm.page_table_lock); - set_pte_init((pte_t *)pmd, - pfn_pte((paddr & PMD_MASK) >> PAGE_SHIFT, - __pgprot(pgprot_val(prot) | _PAGE_PSE)), + set_pmd_init(pmd, + pfn_pmd(paddr >> PAGE_SHIFT, prot_sethuge(prot)), init); spin_unlock(&init_mm.page_table_lock); paddr_last = paddr_next; @@ -644,12 +649,8 @@ phys_pud_init(pud_t *pud_page, unsigned long paddr, unsigned long paddr_end, if (page_size_mask & (1<<PG_LEVEL_1G)) { pages++; spin_lock(&init_mm.page_table_lock); - - prot = __pgprot(pgprot_val(prot) | _PAGE_PSE); - - set_pte_init((pte_t *)pud, - pfn_pte((paddr & PUD_MASK) >> PAGE_SHIFT, - prot), + set_pud_init(pud, + pfn_pud(paddr >> PAGE_SHIFT, prot_sethuge(prot)), init); spin_unlock(&init_mm.page_table_lock); paddr_last = paddr_next; |