Commit 4bd13772 authored Feb 22, 2018 by Christophe Leroy Committed by Michael Ellerman Mar 06, 2018

powerpc/8xx: Increase number of slices to 64



On the 8xx, the minimum slice size is the size of the area
covered by a single PMD entry, ie 4M in 4K pages mode and 64M in
16K pages mode.

This patch increases the number of slices from 16 to 64 on the 8xx.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

parent 15472423

arch/powerpc/include/asm/nohash/32/slice.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -4,7 +4,7 @@

		#ifdef CONFIG_PPC_MM_SLICES

		#define SLICE_LOW_SHIFT 28
		#define SLICE_LOW_SHIFT 26 /* 64 slices */
		#define SLICE_LOW_TOP (0x100000000ull)
		#define SLICE_NUM_LOW (SLICE_LOW_TOP >> SLICE_LOW_SHIFT)
		#define GET_LOW_SLICE_INDEX(addr) ((addr) >> SLICE_LOW_SHIFT)