[PATCH] Remove initialization of page_table in one_page_table_init()

[Zhaolei]

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@xxxxxxxxxxxxxx>
---
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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