提交 5a4e58bc 编写于 作者: L Liu Ping Fan 提交者: Benjamin Herrenschmidt

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: NLiu Ping Fan <pingfank@linux.vnet.ibm.com>
Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
上级 d5b35cff
......@@ -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 */
......
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