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[PATCH] sparsemem base: teach discontig about sparse ranges

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discontig.c has some assumptions that mem_map[]s inside of a node are
contiguous.  Teach it to make sure that each region that it's bringing online
is actually made up of valid ranges of ram.

Written-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Dave Hansen
2005-06-23 00:07:41 -07:00
committed by Linus Torvalds
parent 348f8b6c48
commit 5b505b90b2
3 changed files with 17 additions and 1 deletions
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arch/i386/mm/init.c
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@@ -191,7 +191,7 @@ static inline int page_kills_ppro(unsigned long pagenr)
extern int is_available_memory(efi_memory_desc_t *);
static inline int page_is_ram(unsigned long pagenr)
int page_is_ram(unsigned long pagenr)
{
int i;
unsigned long addr, end;