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authorKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>2006-03-27 04:15:53 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-27 11:44:47 -0500
commit0ecd702bcb924d5fb7f687e09986f688336ac896 (patch)
tree50b9caabc044fb9780cc2a794aabb9d3a7fbf029 /include/asm-ia64/page.h
parent655a0443470a73d5dc36e974a241e8db59bb1ccb (diff)
[PATCH] unify pfn_to_page: ia64 pfn_to_page
ia64 has special config CONFIG_VIRTUAL_MEM_MAP. CONFIG_DISCONTIGMEM=y && CONFIG_VIRTUAL_MEM_MAP!=y is bug ? Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-ia64/page.h')
-rw-r--r--include/asm-ia64/page.h18
1 files changed, 13 insertions, 5 deletions
diff --git a/include/asm-ia64/page.h b/include/asm-ia64/page.h
index 6e9aa23250c4..2087825eefa4 100644
--- a/include/asm-ia64/page.h
+++ b/include/asm-ia64/page.h
@@ -106,17 +106,25 @@ extern int ia64_pfn_valid (unsigned long pfn);
106# define ia64_pfn_valid(pfn) 1 106# define ia64_pfn_valid(pfn) 1
107#endif 107#endif
108 108
109#ifdef CONFIG_VIRTUAL_MEM_MAP
110extern struct page *vmem_map;
111#ifdef CONFIG_DISCONTIGMEM
112# define page_to_pfn(page) ((unsigned long) (page - vmem_map))
113# define pfn_to_page(pfn) (vmem_map + (pfn))
114#endif
115#endif
116
117#if defined(CONFIG_FLATMEM) || defined(CONFIG_SPARSEMEM)
118/* FLATMEM always configures mem_map (mem_map = vmem_map if necessary) */
119#include <asm-generic/memory_model.h>
120#endif
121
109#ifdef CONFIG_FLATMEM 122#ifdef CONFIG_FLATMEM
110# define pfn_valid(pfn) (((pfn) < max_mapnr) && ia64_pfn_valid(pfn)) 123# define pfn_valid(pfn) (((pfn) < max_mapnr) && ia64_pfn_valid(pfn))
111# define page_to_pfn(page) ((unsigned long) (page - mem_map))
112# define pfn_to_page(pfn) (mem_map + (pfn))
113#elif defined(CONFIG_DISCONTIGMEM) 124#elif defined(CONFIG_DISCONTIGMEM)
114extern struct page *vmem_map;
115extern unsigned long min_low_pfn; 125extern unsigned long min_low_pfn;
116extern unsigned long max_low_pfn; 126extern unsigned long max_low_pfn;
117# define pfn_valid(pfn) (((pfn) >= min_low_pfn) && ((pfn) < max_low_pfn) && ia64_pfn_valid(pfn)) 127# define pfn_valid(pfn) (((pfn) >= min_low_pfn) && ((pfn) < max_low_pfn) && ia64_pfn_valid(pfn))
118# define page_to_pfn(page) ((unsigned long) (page - vmem_map))
119# define pfn_to_page(pfn) (vmem_map + (pfn))
120#endif 128#endif
121 129
122#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) 130#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)