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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-07-09 08:57:43 +0400 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-07-14 08:13:53 +0400 |
| commit | f2b26c923518e03959142715a2b7615cb161cd16 (patch) | |
| tree | ffccea3aa71c68a143ef151dfa5673cb0aa3a9b4 /arch/powerpc/include/asm/mmu-book3e.h | |
| parent | 03247157f73912c98baa918cf46b98ee5483d7f8 (diff) | |
| download | linux-f2b26c923518e03959142715a2b7615cb161cd16.tar.xz | |
powerpc/book3e: Adjust the page sizes list based on MMU config
Use the MMU config registers to scan for available direct and
indirect page sizes and print out the result. Will be needed
for future hugetlbfs implementation.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/mmu-book3e.h')
| -rw-r--r-- | arch/powerpc/include/asm/mmu-book3e.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/mmu-book3e.h b/arch/powerpc/include/asm/mmu-book3e.h index 74695816205c..87a1d787c5b6 100644 --- a/arch/powerpc/include/asm/mmu-book3e.h +++ b/arch/powerpc/include/asm/mmu-book3e.h @@ -193,6 +193,10 @@ struct mmu_psize_def { unsigned int shift; /* number of bits */ unsigned int enc; /* PTE encoding */ + unsigned int ind; /* Corresponding indirect page size shift */ + unsigned int flags; +#define MMU_PAGE_SIZE_DIRECT 0x1 /* Supported as a direct size */ +#define MMU_PAGE_SIZE_INDIRECT 0x2 /* Supported as an indirect size */ }; extern struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT]; |