Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-04 18:13:04 +00:00
Code Issues Packages Projects Releases Wiki Activity

powerpc/mm/radix: Make sure swapper pgdir is properly aligned

Browse Source 
With 4K page size radix config our level 1 page table size is 64K and it
should be naturally aligned.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Aneesh Kumar K.V 2016-04-29 23:26:26 +10:00 committed by Michael Ellerman
parent 484837601d
commit 43a5c68427
1 changed files with 9 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
arch/powerpc/kernel/head_64.S
View File

@ -973,13 +973,16 @@ start_here_common:
* This stuff goes at the beginning of the bss, which is page-aligned.
*/
.section ".bss"
.align PAGE_SHIFT
.globl empty_zero_page
empty_zero_page:
.space PAGE_SIZE
/*
* pgd dir should be aligned to PGD_TABLE_SIZE which is 64K.
* We will need to find a better way to fix this
*/
.align 16
.globl swapper_pg_dir
swapper_pg_dir:
.space PGD_TABLE_SIZE
.globl empty_zero_page
empty_zero_page:
.space PAGE_SIZE