Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e91948fd84086020072e022d5463036033d449c1
Commit: e91948fd84086020072e022d5463036033d449c1
Parent: 0e6806734fd861c360ecbb4262d3d5678cea7faf
Author: Stephen Rothwell <[EMAIL PROTECTED]>
AuthorDate: Fri Mar 16 17:47:07 2007 +1100
Committer: Paul Mackerras <[EMAIL PROTECTED]>
CommitDate: Wed Mar 21 22:35:51 2007 +1100
[POWERPC] Minor paca optimisation
Move the slb_shadow_ptr field into the first cache line since it is
(like everything there) read-only after boot. It is in fact statically
initialised and thereafter only read.
Signed-off-by: Stephen Rothwell <[EMAIL PROTECTED]>
Acked-by: Michael Neuling <[EMAIL PROTECTED]>
Signed-off-by: Paul Mackerras <[EMAIL PROTECTED]>
---
include/asm-powerpc/paca.h | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h
index 0d3adc0..4de851d 100644
--- a/include/asm-powerpc/paca.h
+++ b/include/asm-powerpc/paca.h
@@ -70,6 +70,7 @@ struct paca_struct {
s16 hw_cpu_id; /* Physical processor number */
u8 cpu_start; /* At startup, processor spins until */
/* this becomes non-zero. */
+ struct slb_shadow *slb_shadow_ptr;
/*
* Now, starting in cacheline 2, the exception save areas
@@ -101,8 +102,6 @@ struct paca_struct {
u64 user_time; /* accumulated usermode TB ticks */
u64 system_time; /* accumulated system TB ticks */
u64 startpurr; /* PURR/TB value snapshot */
-
- struct slb_shadow *slb_shadow_ptr;
};
extern struct paca_struct paca[];
-
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