Commit 515bae9c authored by Anton Blanchard's avatar Anton Blanchard Committed by Linus Torvalds

[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: default avatarAnton Blanchard <anton@samba.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent ac5b33c9
......@@ -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
......
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