diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-12 14:27:24 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-12 14:27:24 -0800 |
| commit | 09cea96caa59fabab3030c53bd698b9b568d959a (patch) | |
| tree | a991cdc0c887fdcda37f4b751ee98d3db9559f4e /arch/powerpc/include/asm/page.h | |
| parent | 6eb7365db6f3a4a9d8d9922bb0b800f9cbaad641 (diff) | |
| parent | e090aa80321b64c3b793f3b047e31ecf1af9538d (diff) | |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (151 commits)
powerpc: Fix usage of 64-bit instruction in 32-bit altivec code
MAINTAINERS: Add PowerPC patterns
powerpc/pseries: Track previous CPPR values to correctly EOI interrupts
powerpc/pseries: Correct pseries/dlpar.c build break without CONFIG_SMP
powerpc: Make "intspec" pointers in irq_host->xlate() const
powerpc/8xx: DTLB Miss cleanup
powerpc/8xx: Remove DIRTY pte handling in DTLB Error.
powerpc/8xx: Start using dcbX instructions in various copy routines
powerpc/8xx: Restore _PAGE_WRITETHRU
powerpc/8xx: Add missing Guarded setting in DTLB Error.
powerpc/8xx: Fixup DAR from buggy dcbX instructions.
powerpc/8xx: Tag DAR with 0x00f0 to catch buggy instructions.
powerpc/8xx: Update TLB asm so it behaves as linux mm expects.
powerpc/8xx: Invalidate non present TLBs
powerpc/pseries: Serialize cpu hotplug operations during deactivate Vs deallocate
pseries/pseries: Add code to online/offline CPUs of a DLPAR node
powerpc: stop_this_cpu: remove the cpu from the online map.
powerpc/pseries: Add kernel based CPU DLPAR handling
sysfs/cpu: Add probe/release files
powerpc/pseries: Kernel DLPAR Infrastructure
...
Diffstat (limited to 'arch/powerpc/include/asm/page.h')
| -rw-r--r-- | arch/powerpc/include/asm/page.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h index ff24254990e1..e96d52a516ba 100644 --- a/arch/powerpc/include/asm/page.h +++ b/arch/powerpc/include/asm/page.h @@ -229,6 +229,20 @@ typedef unsigned long pgprot_t; #endif +typedef struct { signed long pd; } hugepd_t; +#define HUGEPD_SHIFT_MASK 0x3f + +#ifdef CONFIG_HUGETLB_PAGE +static inline int hugepd_ok(hugepd_t hpd) +{ + return (hpd.pd > 0); +} + +#define is_hugepd(pdep) (hugepd_ok(*((hugepd_t *)(pdep)))) +#else /* CONFIG_HUGETLB_PAGE */ +#define is_hugepd(pdep) 0 +#endif /* CONFIG_HUGETLB_PAGE */ + struct page; extern void clear_user_page(void *page, unsigned long vaddr, struct page *pg); extern void copy_user_page(void *to, void *from, unsigned long vaddr, |