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Commit f3f20de8 authored by Jeremy Fitzhardinge's avatar Jeremy Fitzhardinge Committed by Ingo Molnar
Browse files

x86: clean up mm/init_32.c 



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

Signed-off-by: default avatarJeremy Fitzhardinge <Jeremy.Fitzhardinge@citrix.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 27ec161f

arch/x86/mm/init_32.c

+21 −10
Original line number Diff line number Diff line
@@ -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));

				}

			}

		}