Commit 09b4438d authored Sep 15, 2018 by Nicholas Piggin Committed by Michael Ellerman Sep 19, 2018

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>

parent db7d31ac

arch/powerpc/mm/slb.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;