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authorAnton Blanchard <anton@samba.org>2005-06-21 20:15:55 -0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-21 21:46:31 -0400
commit515bae9cdc6a78eda0879e1f158056d73ec808b7 (patch)
tree12a5e1520ceda0cacc680b9d8665ca6af878b8e2 /arch/ppc64/mm/hash_utils.c
parentac5b33c9bcf1c05ae949b026a51d7f8f9573591c (diff)
[PATCH] ppc64: Mark kernel hptes dirty
We dont use the hardware referenced and changed bits and setting them early avoids a store to memory. We already do this for userspace hptes but not kernel ones. Do it. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/ppc64/mm/hash_utils.c')
-rw-r--r--arch/ppc64/mm/hash_utils.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/ppc64/mm/hash_utils.c b/arch/ppc64/mm/hash_utils.c
index 87d0525f56fa..1647b1c6f28e 100644
--- a/arch/ppc64/mm/hash_utils.c
+++ b/arch/ppc64/mm/hash_utils.c
@@ -195,7 +195,7 @@ void __init htab_initialize(void)
195 memset((void *)table, 0, htab_size_bytes); 195 memset((void *)table, 0, htab_size_bytes);
196 } 196 }
197 197
198 mode_rw = _PAGE_ACCESSED | _PAGE_COHERENT | PP_RWXX; 198 mode_rw = _PAGE_ACCESSED | _PAGE_DIRTY | _PAGE_COHERENT | PP_RWXX;
199 199
200 /* On U3 based machines, we need to reserve the DART area and 200 /* On U3 based machines, we need to reserve the DART area and
201 * _NOT_ map it to avoid cache paradoxes as it's remapped non 201 * _NOT_ map it to avoid cache paradoxes as it's remapped non