summaryrefslogtreecommitdiff
path: root/arch/x86/mm/init_64.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/mm/init_64.c')
-rw-r--r--arch/x86/mm/init_64.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 0fe690ebc269..3f040c6e5d13 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;
@@ -1287,7 +1288,7 @@ static void __init preallocate_vmalloc_pages(void)
unsigned long addr;
const char *lvl;
- for (addr = VMALLOC_START; addr <= VMALLOC_END; addr = ALIGN(addr + 1, PGDIR_SIZE)) {
+ for (addr = VMALLOC_START; addr <= VMEMORY_END; addr = ALIGN(addr + 1, PGDIR_SIZE)) {
pgd_t *pgd = pgd_offset_k(addr);
p4d_t *p4d;
pud_t *pud;