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.le...@c-s.fr> --- v4: New v5: No change arch/powerpc/include/asm/nohash/32/slice.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/nohash/32/slice.h b/arch/powerpc/include/asm/nohash/32/slice.h index 95d532e18092..777d62e40ac0 100644 --- a/arch/powerpc/include/asm/nohash/32/slice.h +++ b/arch/powerpc/include/asm/nohash/32/slice.h @@ -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) -- 2.13.3
