diff options
-rw-r--r-- | arch/i386/mm/pgtable.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/i386/mm/pgtable.c b/arch/i386/mm/pgtable.c index 10126e3f8174..65b5c0959033 100644 --- a/arch/i386/mm/pgtable.c +++ b/arch/i386/mm/pgtable.c | |||
@@ -95,8 +95,11 @@ static void set_pte_pfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags) | |||
95 | return; | 95 | return; |
96 | } | 96 | } |
97 | pte = pte_offset_kernel(pmd, vaddr); | 97 | pte = pte_offset_kernel(pmd, vaddr); |
98 | /* <pfn,flags> stored as-is, to permit clearing entries */ | 98 | if (pgprot_val(flags)) |
99 | set_pte(pte, pfn_pte(pfn, flags)); | 99 | /* <pfn,flags> stored as-is, to permit clearing entries */ |
100 | set_pte(pte, pfn_pte(pfn, flags)); | ||
101 | else | ||
102 | pte_clear(&init_mm, vaddr, pte); | ||
100 | 103 | ||
101 | /* | 104 | /* |
102 | * It's enough to flush this one mapping. | 105 | * It's enough to flush this one mapping. |