diff options
| author | Tony Lindgren <tony@atomide.com> | 2014-03-02 14:22:03 -0800 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2014-03-02 14:22:03 -0800 |
| commit | f777ba1780584b100ab9664cc06d04f3bb273a84 (patch) | |
| tree | 865813eb0078530ca3b036c0c3eee6ce33f9315f /arch/x86/include/asm/pgtable.h | |
| parent | f68e355c86cff91e5266cf937ea24fcba0641900 (diff) | |
| parent | 1a5fe3ca5ea192d4309dd61f3626b79ff38693c2 (diff) | |
Merge tag 'for_3.15/dts_signed' of git://git.kernel.org/pub/scm/linux/kernel/git/bcousson/linux-omap-dt into omap-for-v3.15/dt
Add craneboard devices
Add more N900 devices
Add am43x-epos-evm and am437x-gp-evm devices
Add OMAP4 DMM devices
Conflicts:
arch/arm/boot/dts/am43x-epos-evm.dts
arch/arm/boot/dts/dra7.dtsi
Diffstat (limited to 'arch/x86/include/asm/pgtable.h')
| -rw-r--r-- | arch/x86/include/asm/pgtable.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index bbc8b12fa443..5ad38ad07890 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -445,10 +445,20 @@ static inline int pte_same(pte_t a, pte_t b) return a.pte == b.pte; } +static inline int pteval_present(pteval_t pteval) +{ + /* + * Yes Linus, _PAGE_PROTNONE == _PAGE_NUMA. Expressing it this + * way clearly states that the intent is that protnone and numa + * hinting ptes are considered present for the purposes of + * pagetable operations like zapping, protection changes, gup etc. + */ + return pteval & (_PAGE_PRESENT | _PAGE_PROTNONE | _PAGE_NUMA); +} + static inline int pte_present(pte_t a) { - return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE | - _PAGE_NUMA); + return pteval_present(pte_flags(a)); } #define pte_accessible pte_accessible |