diff options
| author |   Anton Blanchard <anton@samba.org> | 2005-06-21 17:15:55 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-21 18:46:31 -0700 |
| commit | 515bae9cdc6a78eda0879e1f158056d73ec808b7 (patch) | |
| tree | 12a5e1520ceda0cacc680b9d8665ca6af878b8e2 /arch | |
| parent | [PATCH] ppc64: tidy up vio devices fake parent (diff) | |
| download | linux-dev-515bae9cdc6a78eda0879e1f158056d73ec808b7.tar.xz linux-dev-515bae9cdc6a78eda0879e1f158056d73ec808b7.zip | |
[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')
| -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) memset((void *)table, 0, htab_size_bytes); } - mode_rw = _PAGE_ACCESSED | _PAGE_COHERENT | PP_RWXX; + mode_rw = _PAGE_ACCESSED | _PAGE_DIRTY | _PAGE_COHERENT | PP_RWXX; /* On U3 based machines, we need to reserve the DART area and * _NOT_ map it to avoid cache paradoxes as it's remapped non |