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m68k: discontinuous memory support

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Fix support for discontinuous memory

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Roman Zippel
2007-05-31 00:40:54 -07:00
committed by Linus Torvalds
parent 00c541eae7
commit 12d810c1b8
16 changed files with 246 additions and 247 deletions
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17
include/asm-m68k/pgtable.h
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@@ -107,22 +107,7 @@ extern void *empty_zero_page;
/* 64-bit machines, beware! SRB. */
#define SIZEOF_PTR_LOG2 2
/*
* Check if the addr/len goes up to the end of a physical
* memory chunk. Used for DMA functions.
*/
#ifdef CONFIG_SINGLE_MEMORY_CHUNK
/*
* It makes no sense to consider whether we cross a memory boundary if
* we support just one physical chunk of memory.
*/
static inline int mm_end_of_chunk(unsigned long addr, int len)
{
return 0;
}
#else
int mm_end_of_chunk (unsigned long addr, int len);
#endif
#define mm_end_of_chunk(addr, len) 0
extern void kernel_set_cachemode(void *addr, unsigned long size, int cmode);