diff options
author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2016-04-29 23:26:26 +1000 |
---|---|---|
committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-05-11 21:53:55 +1000 |
commit | 43a5c684270ee9b5b13c91ec048831dd5b7e0cdc (patch) | |
tree | 672fdb0b271b2196978f752cc20246d51ab7572a /arch | |
parent | 484837601d4dd048d1f8d2cedd39934bb3ad6d59 (diff) |
powerpc/mm/radix: Make sure swapper pgdir is properly aligned
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>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/powerpc/kernel/head_64.S | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 4286775cbde9..2d14774af6b4 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -973,13 +973,16 @@ start_here_common: * This stuff goes at the beginning of the bss, which is page-aligned. */ .section ".bss" +/* + * 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 - .align PAGE_SHIFT + .globl swapper_pg_dir +swapper_pg_dir: + .space PGD_TABLE_SIZE .globl empty_zero_page empty_zero_page: .space PAGE_SIZE - - .globl swapper_pg_dir -swapper_pg_dir: - .space PGD_TABLE_SIZE |