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Message-Id: <20090501144216.685FA064@kernel> Date: Fri, 01 May 2009 07:42:16 -0700 From: Dave Hansen <dave@...ux.vnet.ibm.com> To: linux-arch@...r.kernel.org Cc: linux-kernel@...r.kernel.org, Dave Hansen <dave@...ux.vnet.ibm.com> Subject: [RFC][PATCH 10/35] m68k: create ptemap.h Signed-off-by: Dave Hansen <dave@...ux.vnet.ibm.com> --- linux-2.6.git-dave/arch/m68k/include/asm/motorola_pgtable.h | 5 -- linux-2.6.git-dave/arch/m68k/include/asm/ptemap.h | 22 ++++++++++++ linux-2.6.git-dave/arch/m68k/include/asm/sun3_pgtable.h | 6 +-- 3 files changed, 25 insertions(+), 8 deletions(-) diff -puN arch/m68k/include/asm/motorola_pgtable.h~m68k-ptemaph arch/m68k/include/asm/motorola_pgtable.h --- linux-2.6.git/arch/m68k/include/asm/motorola_pgtable.h~m68k-ptemaph 2009-04-30 15:10:58.000000000 -0700 +++ linux-2.6.git-dave/arch/m68k/include/asm/motorola_pgtable.h 2009-04-30 15:10:58.000000000 -0700 @@ -220,10 +220,7 @@ static inline pte_t *pte_offset_kernel(p return (pte_t *)__pmd_page(*pmdp) + ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)); } -#define pte_offset_map(pmdp,address) ((pte_t *)__pmd_page(*pmdp) + (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))) -#define pte_offset_map_nested(pmdp, address) pte_offset_map(pmdp, address) -#define pte_unmap(pte) ((void)0) -#define pte_unmap_nested(pte) ((void)0) +#include <asm/ptemap.h> /* * Allocate and free page tables. The xxx_kernel() versions are diff -puN /dev/null arch/m68k/include/asm/ptemap.h --- /dev/null 2008-09-02 09:40:19.000000000 -0700 +++ linux-2.6.git-dave/arch/m68k/include/asm/ptemap.h 2009-04-30 15:10:58.000000000 -0700 @@ -0,0 +1,22 @@ +#ifndef _M68K_ASM_PTEMAP_H +#define _M68K_ASM_PTEMAP_H + +#ifdef CONFIG_SUN3 + +#include <linux/mm.h> + +#define pte_offset_map(pmd, address) ((pte_t *)kmap(pmd_page(*pmd)) + pte_index(address)) +#define pte_offset_map_nested(pmd, address) pte_offset_map(pmd, address) +#define pte_unmap(pte) kunmap(pte) +#define pte_unmap_nested(pte) kunmap(pte) + +#else /* !CONFIG_SUN3, Motorola */ + +#define pte_offset_map(pmdp,address) ((pte_t *)__pmd_page(*pmdp) + (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))) +#define pte_offset_map_nested(pmdp, address) pte_offset_map(pmdp, address) +#define pte_unmap(pte) ((void)0) +#define pte_unmap_nested(pte) ((void)0) + +#endif /* CONFIG_SUN3 */ + +#endif /* _M68K_ASM_PTEMAP_H */ diff -puN arch/m68k/include/asm/sun3_pgtable.h~m68k-ptemaph arch/m68k/include/asm/sun3_pgtable.h --- linux-2.6.git/arch/m68k/include/asm/sun3_pgtable.h~m68k-ptemaph 2009-04-30 15:10:58.000000000 -0700 +++ linux-2.6.git-dave/arch/m68k/include/asm/sun3_pgtable.h 2009-04-30 15:10:58.000000000 -0700 @@ -218,10 +218,8 @@ static inline pte_t pgoff_to_pte(unsigne #define pte_index(address) ((address >> PAGE_SHIFT) & (PTRS_PER_PTE-1)) #define pte_offset_kernel(pmd, address) ((pte_t *) __pmd_page(*pmd) + pte_index(address)) /* FIXME: should we bother with kmap() here? */ -#define pte_offset_map(pmd, address) ((pte_t *)kmap(pmd_page(*pmd)) + pte_index(address)) -#define pte_offset_map_nested(pmd, address) pte_offset_map(pmd, address) -#define pte_unmap(pte) kunmap(pte) -#define pte_unmap_nested(pte) kunmap(pte) + +#include <asm/ptemap.h> /* Macros to (de)construct the fake PTEs representing swap pages. */ #define __swp_type(x) ((x).val & 0x7F) _ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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