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authorDave Hansen <haveblue@us.ibm.com>2005-06-23 00:07:41 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-23 09:45:01 -0700
commit5b505b90b2d54e526cc8d123bdef3b98c9f0bbc6 (patch)
treec56ce2547e654eb0a2166171ba8ca19eaa8cd65f /include/asm-i386
parent348f8b6c4837a07304d2f72b11ce8d96588065e0 (diff)
downloadop-kernel-dev-5b505b90b2d54e526cc8d123bdef3b98c9f0bbc6.zip
op-kernel-dev-5b505b90b2d54e526cc8d123bdef3b98c9f0bbc6.tar.gz
[PATCH] sparsemem base: teach discontig about sparse ranges
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>
Diffstat (limited to 'include/asm-i386')
-rw-r--r--include/asm-i386/page.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-i386/page.h b/include/asm-i386/page.h
index 41400d3..8f3dded 100644
--- a/include/asm-i386/page.h
+++ b/include/asm-i386/page.h
@@ -120,6 +120,8 @@ static __inline__ int get_order(unsigned long size)
extern int sysctl_legacy_va_layout;
+extern int page_is_ram(unsigned long pagenr);
+
#endif /* __ASSEMBLY__ */
#ifdef __ASSEMBLY__
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