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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2016-04-29 23:26:26 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2016-05-11 21:53:55 +1000
commit43a5c684270ee9b5b13c91ec048831dd5b7e0cdc (patch)
tree672fdb0b271b2196978f752cc20246d51ab7572a /arch/powerpc/kernel
parent484837601d4dd048d1f8d2cedd39934bb3ad6d59 (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/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/head_64.S13
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