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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-03 13:30:03 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-03 13:30:03 +1100 |
| commit | 652e8f8d579d61745094e36b4ff085026a332e73 (patch) | |
| tree | 44145576f9cdf0b777dee0d0961f5499ea88bec8 /arch/powerpc/include/asm/highmem.h | |
| parent | 501cb16d3cfdcca99ac26fe122079f2a43b046b8 (diff) | |
| parent | 6c7120902305b3a21460cd2f0f917a39307df566 (diff) | |
Merge commit 'jwb/next' into next
Diffstat (limited to 'arch/powerpc/include/asm/highmem.h')
| -rw-r--r-- | arch/powerpc/include/asm/highmem.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/powerpc/include/asm/highmem.h b/arch/powerpc/include/asm/highmem.h index a286e47100b..545028f8648 100644 --- a/arch/powerpc/include/asm/highmem.h +++ b/arch/powerpc/include/asm/highmem.h @@ -39,15 +39,15 @@ extern pte_t *pkmap_page_table; * chunk of RAM. */ /* - * We use one full pte table with 4K pages. And with 16K/64K pages pte - * table covers enough memory (32MB and 512MB resp.) that both FIXMAP - * and PKMAP can be placed in single pte table. We use 1024 pages for - * PKMAP in case of 16K/64K pages. + * We use one full pte table with 4K pages. And with 16K/64K/256K pages pte + * table covers enough memory (32MB/512MB/2GB resp.), so that both FIXMAP + * and PKMAP can be placed in a single pte table. We use 512 pages for PKMAP + * in case of 16K/64K/256K page sizes. */ #ifdef CONFIG_PPC_4K_PAGES #define PKMAP_ORDER PTE_SHIFT #else -#define PKMAP_ORDER 10 +#define PKMAP_ORDER 9 #endif #define LAST_PKMAP (1 << PKMAP_ORDER) #ifndef CONFIG_PPC_4K_PAGES |