diff options
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/pageattr.c | 4 | ||||
| -rw-r--r-- | arch/x86/mm/pat.c | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 0389cb8f6b1..fb6f2ab40dd 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -658,11 +658,11 @@ static int cpa_process_alias(struct cpa_data *cpa) struct cpa_data alias_cpa; int ret = 0; - if (cpa->pfn > max_pfn_mapped) + if (cpa->pfn >= max_pfn_mapped) return 0; #ifdef CONFIG_X86_64 - if (cpa->pfn > max_low_pfn_mapped && cpa->pfn < (1UL<<(32-PAGE_SHIFT))) + if (cpa->pfn >= max_low_pfn_mapped && cpa->pfn < (1UL<<(32-PAGE_SHIFT))) return 0; #endif /* diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index 749766c3c5c..d4585077977 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -449,8 +449,8 @@ int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn, if (retval < 0) return 0; - if (((pfn <= max_low_pfn_mapped) || - (pfn >= (1UL<<(32 - PAGE_SHIFT)) && pfn <= max_pfn_mapped)) && + if (((pfn < max_low_pfn_mapped) || + (pfn >= (1UL<<(32 - PAGE_SHIFT)) && pfn < max_pfn_mapped)) && ioremap_change_attr((unsigned long)__va(offset), size, flags) < 0) { free_memtype(offset, offset + size); printk(KERN_INFO |