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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-01-30 13:31:09 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:31:09 +0100 |
| commit | f3f20de87c03a90add5e34806c28a03a0d60bde0 (patch) | |
| tree | 985fb5582f9599038fd034e6a3c5f63ec02a5383 | |
| parent | 27ec161f93b8f018e0270a5383ea1d1c36f00c8a (diff) | |
| download | op-kernel-dev-f3f20de87c03a90add5e34806c28a03a0d60bde0.zip op-kernel-dev-f3f20de87c03a90add5e34806c28a03a0d60bde0.tar.gz | |
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>
| -rw-r--r-- | arch/x86/mm/init_32.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 3c76d19..e6e34c7 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)); } } } |
