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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>
This commit is contained in:
Christophe Leroy 2018-02-22 15:27:30 +01:00 committed by Michael Ellerman
parent 15472423ce
commit 4bd13772ee
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/include/asm/nohash/32/slice.h
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@ -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)