diff options
| author | Michael Ellerman <mpe@ellerman.id.au> | 2017-11-13 23:17:28 +1100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-11-13 23:34:06 +1100 |
| commit | 7ece370996b694ae263025e056ad785afc1be5ab (patch) | |
| tree | b17550158c0e7bc6010630a5fbbd25e595d1a03f /lib | |
| parent | f23ab3efb1b30cc5c5ef5ae4ef294ed467f30675 (diff) | |
powerpc/64s/hash: Fix 512T hint detection to use >= 128T
Currently userspace is able to request mmap() search between 128T-512T
by specifying a hint address that is greater than 128T. But that means
a hint of 128T exactly will return an address below 128T, which is
confusing and wrong.
So fix the logic to check the hint is greater than *or equal* to 128T.
Fixes: f4ea6dcb08ea ("powerpc/mm: Enable mappings above 128TB")
Cc: stable@vger.kernel.org # v4.12+
Suggested-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Suggested-by: Nicholas Piggin <npiggin@gmail.com>
[mpe: Split out of Nick's bigger patch]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'lib')
0 files changed, 0 insertions, 0 deletions