Messages in this thread Patch in this message | | | Date | Tue, 14 Jul 2009 16:57:46 +0800 | From | Zhaolei <> | Subject | [PATCH] Remove initialization of page_table in one_page_table_init() |
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Only judge if (!page_table) when CONFIG_DEBUG_PAGEALLOC or CONFIG_KMEMCHECK are defined, then we don't need to set init value for page_table.
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com> --- arch/x86/mm/init_32.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 3cd7711..55da09b 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -108,13 +108,13 @@ static pmd_t * __init one_md_table_init(pgd_t *pgd) static pte_t * __init one_page_table_init(pmd_t *pmd) { if (!(pmd_val(*pmd) & _PAGE_PRESENT)) { - pte_t *page_table = NULL; + pte_t *page_table; if (after_bootmem) { #if defined(CONFIG_DEBUG_PAGEALLOC) || defined(CONFIG_KMEMCHECK) page_table = (pte_t *) alloc_bootmem_pages(PAGE_SIZE); -#endif if (!page_table) +#endif page_table = (pte_t *)alloc_bootmem_low_pages(PAGE_SIZE); } else -- 1.5.5.3
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