diff options
author | Anton Blanchard <anton@samba.org> | 2005-06-21 20:15:55 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-21 21:46:31 -0400 |
commit | 515bae9cdc6a78eda0879e1f158056d73ec808b7 (patch) | |
tree | 12a5e1520ceda0cacc680b9d8665ca6af878b8e2 /arch/ppc64/mm/hash_utils.c | |
parent | ac5b33c9bcf1c05ae949b026a51d7f8f9573591c (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.c | 2 |
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 |