powerpc/64s/hash: Fix stab_rr off by one initialization
authorNicholas Piggin <npiggin@gmail.com>
Fri, 14 Sep 2018 15:30:45 +0000 (01:30 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Wed, 19 Sep 2018 11:59:41 +0000 (21:59 +1000)
commit09b4438db13fa83b6219aee5993711a2aa2a0c64
treee6b646b051a8f57a6ecefcdb9cb80b0f2fcd13ab
parentdb7d31ac04133fc18893725d348fabf91d6e808e
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>
arch/powerpc/mm/slb.c