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sh: Make PAGE_OFFSET configurable.

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nommu needs to be able to shift PAGE_OFFSET, so we switch it to a
non-user-visible CONFIG_PAGE_OFFSET and use that in the few places
where it matters.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2006-09-27 17:19:13 +09:00
parent adf1890b0c
commit e7f93a355c
5 changed files with 35 additions and 29 deletions
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include/asm-sh/page.h
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@@ -84,7 +84,7 @@ typedef struct { unsigned long pgprot; } pgprot_t;
#define __MEMORY_START CONFIG_MEMORY_START
#define __MEMORY_SIZE CONFIG_MEMORY_SIZE
#define PAGE_OFFSET (0x80000000UL)
#define PAGE_OFFSET CONFIG_PAGE_OFFSET
#define __pa(x) ((unsigned long)(x)-PAGE_OFFSET)
#define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET))