diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/mm/pageattr.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index a2ee317548f..5cfc0d4ade5 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -304,7 +304,7 @@ static int change_page_attr_addr(unsigned long address, pgprot_t prot) static int change_page_attr_set(unsigned long addr, int numpages, pgprot_t prot) { - pgprot_t current_prot; + pgprot_t current_prot, new_prot; int level; pte_t *pte; int i, ret; @@ -317,9 +317,10 @@ static int change_page_attr_set(unsigned long addr, int numpages, else pgprot_val(current_prot) = 0; - pgprot_val(prot) = pgprot_val(current_prot) | pgprot_val(prot); + pgprot_val(new_prot) = + pgprot_val(current_prot) | pgprot_val(prot); - ret = change_page_attr_addr(addr, prot); + ret = change_page_attr_addr(addr, new_prot); if (ret) return ret; addr += PAGE_SIZE; @@ -349,7 +350,7 @@ static int change_page_attr_set(unsigned long addr, int numpages, static int change_page_attr_clear(unsigned long addr, int numpages, pgprot_t prot) { - pgprot_t current_prot; + pgprot_t current_prot, new_prot; int level; pte_t *pte; int i, ret; @@ -361,10 +362,10 @@ static int change_page_attr_clear(unsigned long addr, int numpages, else pgprot_val(current_prot) = 0; - pgprot_val(prot) = + pgprot_val(new_prot) = pgprot_val(current_prot) & ~pgprot_val(prot); - ret = change_page_attr_addr(addr, prot); + ret = change_page_attr_addr(addr, new_prot); if (ret) return ret; addr += PAGE_SIZE; |