powerpc/mm: Fix check of multiple 16G pages from device tree
authorRui Teng <rui.teng@linux.vnet.ibm.com>
Thu, 12 Jan 2017 09:09:06 +0000 (17:09 +0800)
committerMichael Ellerman <mpe@ellerman.id.au>
Mon, 31 Jul 2017 06:56:58 +0000 (16:56 +1000)
commit23493c121912a39f0262e0dbeb236e1d39efa4d5
tree41e43bb1f8cbde6d9f83abc5edc2792a3de30b01
parent9227f0431435c9d664771b112c230e75ca4f9b52
powerpc/mm: Fix check of multiple 16G pages from device tree

The offset of hugepage block will not be 16G, if the expected
page is more than one. Calculate the totol size instead of the
hardcode value.

Fixes: 4792adbac9eb ("powerpc: Don't use a 16G page if beyond mem= limits")
Signed-off-by: Rui Teng <rui.teng@linux.vnet.ibm.com>
Tested-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/mm/hash_utils_64.c