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>
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f3f20de87c
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@ -165,16 +165,25 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base)
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pmd = one_md_table_init(pgd);
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if (pfn >= max_low_pfn)
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continue;
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for (pmd_idx = 0; pmd_idx < PTRS_PER_PMD && pfn < max_low_pfn; pmd++, pmd_idx++) {
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for (pmd_idx = 0;
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pmd_idx < PTRS_PER_PMD && pfn < max_low_pfn;
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pmd++, pmd_idx++) {
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unsigned int address = pfn * PAGE_SIZE + PAGE_OFFSET;
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/* Map with big pages if possible, otherwise create normal page tables. */
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/* Map with big pages if possible, otherwise
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create normal page tables. */
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if (cpu_has_pse) {
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unsigned int address2 = (pfn + PTRS_PER_PTE - 1) * PAGE_SIZE + PAGE_OFFSET + PAGE_SIZE-1;
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if (is_kernel_text(address) || is_kernel_text(address2))
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set_pmd(pmd, pfn_pmd(pfn, PAGE_KERNEL_LARGE_EXEC));
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else
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set_pmd(pmd, pfn_pmd(pfn, PAGE_KERNEL_LARGE));
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unsigned int address2;
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pgprot_t prot = PAGE_KERNEL_LARGE;
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address2 = (pfn + PTRS_PER_PTE - 1) * PAGE_SIZE +
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PAGE_OFFSET + PAGE_SIZE-1;
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if (is_kernel_text(address) ||
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is_kernel_text(address2))
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prot = PAGE_KERNEL_LARGE_EXEC;
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set_pmd(pmd, pfn_pmd(pfn, prot));
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pfn += PTRS_PER_PTE;
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} else {
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@ -183,10 +192,12 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base)
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for (pte_ofs = 0;
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pte_ofs < PTRS_PER_PTE && pfn < max_low_pfn;
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pte++, pfn++, pte_ofs++, address += PAGE_SIZE) {
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pgprot_t prot = PAGE_KERNEL;
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if (is_kernel_text(address))
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set_pte(pte, pfn_pte(pfn, PAGE_KERNEL_EXEC));
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else
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set_pte(pte, pfn_pte(pfn, PAGE_KERNEL));
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prot = PAGE_KERNEL_EXEC;
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set_pte(pte, pfn_pte(pfn, prot));
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}
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}
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}
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