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| author | Arnd Bergmann <arnd@arndb.de> | 2014-03-17 18:31:30 +0400 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2014-03-17 18:31:30 +0400 |
| commit | f18651eb2c7ac13b9dd0e3b357d07e1d4cd8e00d (patch) | |
| tree | f451e22f54d6f7a3d85bbed929750ee2a84d7dbb /arch/x86/include/asm/pgtable.h | |
| parent | b8ba3874b4cf43ef1970cb3fe664a28d621ea197 (diff) | |
| parent | 77319669af37a1cfc844b801e83343b37e3c7e13 (diff) | |
| download | linux-f18651eb2c7ac13b9dd0e3b357d07e1d4cd8e00d.tar.xz | |
Merge tag 'omap-for-v3.15/fixes-for-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical
Merge "omap fixes for v3.15 merge window" from Tony Lindgren:
Fixes for omaps that would be good to get in before v3.15-rc1.
* tag 'omap-for-v3.15/fixes-for-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP4: hwmod data: correct the idlemodes for spinlock
ARM: dts: am33xx: correcting dt node unit address for usb
ARM: dts: omap4/5: Use l3_ick for the gpmc node
CLK: TI: OMAP4/5/DRA7: Remove gpmc_fck from dummy clocks
ARM: OMAP4: Fix definition of IS_PM44XX_ERRATUM
ARM: OMAP2+: INTC: Acknowledge stuck active interrupts
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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 |