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authorNicholas Piggin <npiggin@gmail.com>2018-09-15 01:30:45 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2018-09-19 21:59:41 +1000
commit09b4438db13fa83b6219aee5993711a2aa2a0c64 (patch)
treee6b646b051a8f57a6ecefcdb9cb80b0f2fcd13ab /arch/powerpc/mm/slb.c
parentpowernv/pseries: consolidate code for mce early handling. (diff)
downloadlinux-dev-09b4438db13fa83b6219aee5993711a2aa2a0c64.tar.xz
linux-dev-09b4438db13fa83b6219aee5993711a2aa2a0c64.zip
powerpc/64s/hash: Fix stab_rr off by one initialization
This causes SLB alloation to start 1 beyond the start of the SLB. There is no real problem because after it wraps it stats behaving properly, it's just surprisig to see when looking at SLB traces. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to '')
-rw-r--r--arch/powerpc/mm/slb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/mm/slb.c b/arch/powerpc/mm/slb.c
index e941189d9bd6..07ece013856b 100644
--- a/arch/powerpc/mm/slb.c
+++ b/arch/powerpc/mm/slb.c
@@ -425,7 +425,7 @@ void slb_initialize(void)
#endif
}
- get_paca()->stab_rr = SLB_NUM_BOLTED;
+ get_paca()->stab_rr = SLB_NUM_BOLTED - 1;
lflags = SLB_VSID_KERNEL | linear_llp;
vflags = SLB_VSID_KERNEL | vmalloc_llp;