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Diffstat (limited to 'arch/x86/mm/init_32.c')
-rw-r--r--arch/x86/mm/init_32.c31
1 files changed, 21 insertions, 10 deletions
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 3c76d194fd2..e6e34c7dcab 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -165,16 +165,25 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base)
pmd = one_md_table_init(pgd);
if (pfn >= max_low_pfn)
continue;
- for (pmd_idx = 0; pmd_idx < PTRS_PER_PMD && pfn < max_low_pfn; pmd++, pmd_idx++) {
+ for (pmd_idx = 0;
+ pmd_idx < PTRS_PER_PMD && pfn < max_low_pfn;
+ pmd++, pmd_idx++) {
unsigned int address = pfn * PAGE_SIZE + PAGE_OFFSET;
- /* Map with big pages if possible, otherwise create normal page tables. */
+ /* Map with big pages if possible, otherwise
+ create normal page tables. */
if (cpu_has_pse) {
- unsigned int address2 = (pfn + PTRS_PER_PTE - 1) * PAGE_SIZE + PAGE_OFFSET + PAGE_SIZE-1;
- if (is_kernel_text(address) || is_kernel_text(address2))
- set_pmd(pmd, pfn_pmd(pfn, PAGE_KERNEL_LARGE_EXEC));
- else
- set_pmd(pmd, pfn_pmd(pfn, PAGE_KERNEL_LARGE));
+ unsigned int address2;
+ pgprot_t prot = PAGE_KERNEL_LARGE;
+
+ address2 = (pfn + PTRS_PER_PTE - 1) * PAGE_SIZE +
+ PAGE_OFFSET + PAGE_SIZE-1;
+
+ if (is_kernel_text(address) ||
+ is_kernel_text(address2))
+ prot = PAGE_KERNEL_LARGE_EXEC;
+
+ set_pmd(pmd, pfn_pmd(pfn, prot));
pfn += PTRS_PER_PTE;
} else {
@@ -183,10 +192,12 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base)
for (pte_ofs = 0;
pte_ofs < PTRS_PER_PTE && pfn < max_low_pfn;
pte++, pfn++, pte_ofs++, address += PAGE_SIZE) {
+ pgprot_t prot = PAGE_KERNEL;
+
if (is_kernel_text(address))
- set_pte(pte, pfn_pte(pfn, PAGE_KERNEL_EXEC));
- else
- set_pte(pte, pfn_pte(pfn, PAGE_KERNEL));
+ prot = PAGE_KERNEL_EXEC;
+
+ set_pte(pte, pfn_pte(pfn, prot));
}
}
}