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x86: clean up mm/init_32.c 

Some code reformatting in init_32.c.  No functional change.

Signed-off-by: Jeremy Fitzhardinge <Jeremy.Fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Jeremy Fitzhardinge 2008-01-30 13:31:09 +01:00 committed by Ingo Molnar
parent 27ec161f93
commit f3f20de87c
1 changed files with 21 additions and 10 deletions
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31
arch/x86/mm/init_32.c
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@ -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));
}
}
}