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author | H. Peter Anvin <hpa@linux.intel.com> | 2013-01-29 14:59:09 -0800 |
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committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-01-29 15:10:15 -0800 |
commit | de65d816aa44f9ddd79861ae21d75010cc1fd003 (patch) | |
tree | 04a637a43b2e52a733d0dcb7595a47057571e7da /arch/x86/include/asm/pgtable.h | |
parent | 9710f581bb4c35589ac046b0cfc0deb7f369fc85 (diff) | |
parent | 5dcd14ecd41ea2b3ae3295a9b30d98769d52165f (diff) | |
download | lwn-de65d816aa44f9ddd79861ae21d75010cc1fd003.tar.gz lwn-de65d816aa44f9ddd79861ae21d75010cc1fd003.zip |
Merge remote-tracking branch 'origin/x86/boot' into x86/mm2
Coming patches to x86/mm2 require the changes and advanced baseline in
x86/boot.
Resolved Conflicts:
arch/x86/kernel/setup.c
mm/nobootmem.c
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/include/asm/pgtable.h')
-rw-r--r-- | arch/x86/include/asm/pgtable.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 6991a3e1bf81..3c7c6985045d 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -404,7 +404,14 @@ static inline int pte_same(pte_t a, pte_t b) static inline int pte_present(pte_t a) { - return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE); + return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE | + _PAGE_NUMA); +} + +#define pte_accessible pte_accessible +static inline int pte_accessible(pte_t a) +{ + return pte_flags(a) & _PAGE_PRESENT; } static inline int pte_hidden(pte_t pte) @@ -420,7 +427,8 @@ static inline int pmd_present(pmd_t pmd) * the _PAGE_PSE flag will remain set at all times while the * _PAGE_PRESENT bit is clear). */ - return pmd_flags(pmd) & (_PAGE_PRESENT | _PAGE_PROTNONE | _PAGE_PSE); + return pmd_flags(pmd) & (_PAGE_PRESENT | _PAGE_PROTNONE | _PAGE_PSE | + _PAGE_NUMA); } static inline int pmd_none(pmd_t pmd) @@ -479,6 +487,11 @@ static inline pte_t *pte_offset_kernel(pmd_t *pmd, unsigned long address) static inline int pmd_bad(pmd_t pmd) { +#ifdef CONFIG_NUMA_BALANCING + /* pmd_numa check */ + if ((pmd_flags(pmd) & (_PAGE_NUMA|_PAGE_PRESENT)) == _PAGE_NUMA) + return 0; +#endif return (pmd_flags(pmd) & ~_PAGE_USER) != _KERNPG_TABLE; } |