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| author | Brian Norris <computersforpeace@gmail.com> | 2014-09-16 03:28:16 +0400 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2014-09-16 03:28:16 +0400 |
| commit | 7622d4905a038961da6b1c6c3fe4be6c3dad7ef9 (patch) | |
| tree | cce9f4bc0ef2de31cee8e06e2cd6358dd51fa9c5 /arch/x86/include/asm/pgtable.h | |
| parent | 5b49ab3e03f68eb49db4bce6290e5707b7f6c6f3 (diff) | |
| parent | 9e82bf014195d6f0054982c463575cdce24292be (diff) | |
| download | linux-7622d4905a038961da6b1c6c3fe4be6c3dad7ef9.tar.xz | |
Merge tag 'v3.17-rc5' from upstream
Diffstat (limited to 'arch/x86/include/asm/pgtable.h')
| -rw-r--r-- | arch/x86/include/asm/pgtable.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 0ec056012618..aa97a070f09f 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -131,8 +131,13 @@ static inline int pte_exec(pte_t pte) static inline int pte_special(pte_t pte) { - return (pte_flags(pte) & (_PAGE_PRESENT|_PAGE_SPECIAL)) == - (_PAGE_PRESENT|_PAGE_SPECIAL); + /* + * See CONFIG_NUMA_BALANCING pte_numa in include/asm-generic/pgtable.h. + * On x86 we have _PAGE_BIT_NUMA == _PAGE_BIT_GLOBAL+1 == + * __PAGE_BIT_SOFTW1 == _PAGE_BIT_SPECIAL. + */ + return (pte_flags(pte) & _PAGE_SPECIAL) && + (pte_flags(pte) & (_PAGE_PRESENT|_PAGE_PROTNONE)); } static inline unsigned long pte_pfn(pte_t pte) |