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authorAndy Whitcroft <apw@shadowen.org>2004-09-02 20:23:07 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2004-09-02 20:23:07 -0700
commit7319a99b575973bae9df283bb22efaf2304a38b4 (patch)
treed5d6a62bef6b8ba7c406cd3179d3510149d44b3b /include
parent4614ad37be59ea62e32fc612dbe3478e70a24c4a (diff)
[PATCH] ppc64 topdown support: arch-specific get_unmapped_area()
ppc64 has constraints on the mixing of small and large pages, such that they cannot be mixed in the same 256Mb segment. This patch provides an architecture specific arch_get_unmapped_area_topdown() which implements these contraints. Signed-off-by: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
-rw-r--r--include/asm-ppc64/pgtable.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-ppc64/pgtable.h b/include/asm-ppc64/pgtable.h
index b5bbb1f0c532..397758e24c0f 100644
--- a/include/asm-ppc64/pgtable.h
+++ b/include/asm-ppc64/pgtable.h
@@ -167,6 +167,7 @@ int hash_huge_page(struct mm_struct *mm, unsigned long access,
#endif /* __ASSEMBLY__ */
#define HAVE_ARCH_UNMAPPED_AREA
+#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
#else
#define hash_huge_page(mm,a,ea,vsid,local) -1