diff options
Diffstat (limited to 'arch/x86/mm/pat.c')
| -rw-r--r-- | arch/x86/mm/pat.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index 38a66ef9426..b5bc08cfcea 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -394,7 +394,7 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type, } /* Low ISA region is always mapped WB in page table. No need to track */ - if (x86_platform.is_untracked_pat_range(start, end - 1)) { + if (x86_platform.is_untracked_pat_range(start, end)) { if (new_type) *new_type = _PAGE_CACHE_WB; return 0; @@ -505,7 +505,7 @@ int free_memtype(u64 start, u64 end) return 0; /* Low ISA region is always mapped WB. No need to track */ - if (x86_platform.is_untracked_pat_range(start, end - 1)) + if (x86_platform.is_untracked_pat_range(start, end)) return 0; is_range_ram = pat_pagerange_is_ram(start, end); @@ -588,7 +588,7 @@ static unsigned long lookup_memtype(u64 paddr) int rettype = _PAGE_CACHE_WB; struct memtype *entry; - if (x86_platform.is_untracked_pat_range(paddr, paddr + PAGE_SIZE - 1)) + if (x86_platform.is_untracked_pat_range(paddr, paddr + PAGE_SIZE)) return rettype; if (pat_pagerange_is_ram(paddr, paddr + PAGE_SIZE)) { |