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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2013-11-18 14:58:13 +0530 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-12-09 11:40:30 +1100 |
| commit | c34a51ce49b40b9667cd7f5cc2e40475af8b4c3d (patch) | |
| tree | 1da860c5262597084358807f84a5003dc022a472 /arch/powerpc/include/asm/pte-hash64.h | |
| parent | 8937ba48dcf62b5cdf7abb93652914af16756f50 (diff) | |
| download | op-kernel-dev-c34a51ce49b40b9667cd7f5cc2e40475af8b4c3d.zip op-kernel-dev-c34a51ce49b40b9667cd7f5cc2e40475af8b4c3d.tar.gz | |
powerpc/mm: Enable _PAGE_NUMA for book3s
We steal the _PAGE_COHERENCE bit and use that for indicating NUMA ptes.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Acked-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/pte-hash64.h')
| -rw-r--r-- | arch/powerpc/include/asm/pte-hash64.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pte-hash64.h b/arch/powerpc/include/asm/pte-hash64.h index 55aea0c..2505d8e 100644 --- a/arch/powerpc/include/asm/pte-hash64.h +++ b/arch/powerpc/include/asm/pte-hash64.h @@ -27,6 +27,12 @@ #define _PAGE_RW 0x0200 /* software: user write access allowed */ #define _PAGE_BUSY 0x0800 /* software: PTE & hash are busy */ +/* + * Used for tracking numa faults + */ +#define _PAGE_NUMA 0x00000010 /* Gather numa placement stats */ + + /* No separate kernel read-only */ #define _PAGE_KERNEL_RW (_PAGE_RW | _PAGE_DIRTY) /* user access blocked by key */ #define _PAGE_KERNEL_RO _PAGE_KERNEL_RW |
