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authorLiu Ping Fan <kernelfans@gmail.com>2013-11-21 03:17:54 +0100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2014-05-01 00:26:39 +0200
commit5a4e58bc693f04aa650219784e5e339e0db6b902 (patch)
treedc2df54f9c819a4470752e9ab17f97a99b20ea9c /arch/powerpc/mm/slb_low.S
parentppc476: Enable a linker work around for IBM errata #46 (diff)
downloadlinux-5a4e58bc693f04aa650219784e5e339e0db6b902.tar.xz
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powerpc/mm: use macro PGTABLE_EADDR_SIZE instead of digital
In case of extending the eaddr in future, use this macro PGTABLE_EADDR_SIZE to ease the maintenance of the code. Signed-off-by: Liu Ping Fan <pingfank@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/mm/slb_low.S')
-rw-r--r--arch/powerpc/mm/slb_low.S2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S
index 17aa6dfceb34..e0b3cf42b053 100644
--- a/arch/powerpc/mm/slb_low.S
+++ b/arch/powerpc/mm/slb_low.S
@@ -35,7 +35,7 @@ _GLOBAL(slb_allocate_realmode)
* check for bad kernel/user address
* (ea & ~REGION_MASK) >= PGTABLE_RANGE
*/
- rldicr. r9,r3,4,(63 - 46 - 4)
+ rldicr. r9,r3,4,(63 - PGTABLE_EADDR_SIZE - 4)
bne- 8f
srdi r9,r3,60 /* get region */