xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

powerpc/mm: Make some of the PGTABLE_RANGE dependency explicit

Browse Source 
slice array size and slice mask size depend on PGTABLE_RANGE.

Reviewed-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Aneesh Kumar K.V
2012-09-10 02:52:57 +00:00
committed by Benjamin Herrenschmidt
parent f033d659c3
commit 78f1dbde9f
8 changed files with 47 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
arch/powerpc/include/asm/page_64.h
View File

@@ -78,14 +78,18 @@ extern u64 ppc64_pft_size;
#define GET_LOW_SLICE_INDEX(addr) ((addr) >> SLICE_LOW_SHIFT)
#define GET_HIGH_SLICE_INDEX(addr) ((addr) >> SLICE_HIGH_SHIFT)
/*
* 1 bit per slice and we have one slice per 1TB
* Right now we support only 64TB.
* IF we change this we will have to change the type
* of high_slices
*/
#define SLICE_MASK_SIZE 8
#ifndef __ASSEMBLY__
struct slice_mask {
u16 low_slices;
/*
* This should be derived out of PGTABLE_RANGE. For the current
* max 64TB, u64 should be ok.
*/
u64 high_slices;
};