Messages in this thread Patch in this message | | | From | Minfei Huang <> | Subject | [PATCH] x86/mm: Assign the initail value to the pmd_idx | Date | Sun, 12 Jul 2015 20:18:42 +0800 |
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From: Minfei Huang <mnfhuang@gmail.com>
The variable pmd_idx is undefined, when we try to start the loop to calculate the page.
Assign the proper value which indexes the start address to make it work well.
Signed-off-by: Minfei Huang <mnfhuang@gmail.com> --- arch/x86/mm/init_32.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 8340e45..68aec42 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -137,6 +137,7 @@ page_table_range_init_count(unsigned long start, unsigned long end) vaddr = start; pgd_idx = pgd_index(vaddr); + pmd_idx = pmd_index(vaddr); for ( ; (pgd_idx < PTRS_PER_PGD) && (vaddr != end); pgd_idx++) { for (; (pmd_idx < PTRS_PER_PMD) && (vaddr != end); -- 2.2.2
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