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author | Jens Axboe <axboe@fb.com> | 2014-09-11 19:31:18 +0400 |
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committer | Jens Axboe <axboe@fb.com> | 2014-09-11 19:31:18 +0400 |
commit | b207892b061da7608878e273ae22ba9bf9be264b (patch) | |
tree | 51daa46b89b83cad422941f52110b19571b85b79 /arch/x86/include/asm/pgtable.h | |
parent | 018a17bdc8658ad448497c84d4ba21b6985820ec (diff) | |
parent | a516440542afcb9647f88d12c35640baf02d07ea (diff) | |
download | linux-b207892b061da7608878e273ae22ba9bf9be264b.tar.xz |
Merge branch 'for-linus' into for-3.18/core
A bit of churn on the for-linus side that would be nice to have
in the core bits for 3.18, so pull it in to catch us up and make
forward progress easier.
Signed-off-by: Jens Axboe <axboe@fb.com>
Conflicts:
block/scsi_ioctl.c
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) |