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authorAndy Whitcroft <apw@shadowen.org>2005-06-23 00:08:03 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-23 09:45:06 -0700
commit145e664231648121026d470094c200851a446a73 (patch)
treec9362f4ec3e3114afb9b7134ae89152cbbc73cd4 /include/asm-ppc64/page.h
parent74b30be2e183bd9a12d0350698996e3d1969f290 (diff)
downloadop-kernel-dev-145e664231648121026d470094c200851a446a73.zip
op-kernel-dev-145e664231648121026d470094c200851a446a73.tar.gz
[PATCH] ppc64: sparsemem memory model
Provide the architecture specific implementation for SPARSEMEM for PPC64 systems. Signed-off-by: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Dave Hansen <haveblue@us.ibm.com> Signed-off-by: Mike Kravetz <kravetz@us.ibm.com> (in part) Signed-off-by: Martin Bligh <mbligh@aracnet.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-ppc64/page.h')
-rw-r--r--include/asm-ppc64/page.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/asm-ppc64/page.h b/include/asm-ppc64/page.h
index 257d87e..a5893a3 100644
--- a/include/asm-ppc64/page.h
+++ b/include/asm-ppc64/page.h
@@ -217,7 +217,8 @@ extern u64 ppc64_pft_size; /* Log 2 of page table size */
#define page_to_pfn(page) discontigmem_page_to_pfn(page)
#define pfn_to_page(pfn) discontigmem_pfn_to_page(pfn)
#define pfn_valid(pfn) discontigmem_pfn_valid(pfn)
-#else
+#endif
+#ifdef CONFIG_FLATMEM
#define pfn_to_page(pfn) (mem_map + (pfn))
#define page_to_pfn(page) ((unsigned long)((page) - mem_map))
#define pfn_valid(pfn) ((pfn) < max_mapnr)
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