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| author |   Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2013-05-24 15:55:21 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2013-05-24 16:22:51 -0700 |
| commit | 7c3425123ddfdc5f48e7913ff59d908789712b18 (patch) | |
| tree | db90e8a106aab6f788e12a3b1e08e11a37a9ef20 /drivers/leds | |
| parent | linux/kernel.h: fix kernel-doc warning (diff) | |
| download | linux-dev-7c3425123ddfdc5f48e7913ff59d908789712b18.tar.xz linux-dev-7c3425123ddfdc5f48e7913ff59d908789712b18.zip | |
mm/THP: use pmd_populate() to update the pmd with pgtable_t pointer
We should not use set_pmd_at to update pmd_t with pgtable_t pointer.
set_pmd_at is used to set pmd with huge pte entries and architectures
like ppc64, clear few flags from the pte when saving a new entry.
Without this change we observe bad pte errors like below on ppc64 with
THP enabled.
BUG: Bad page map in process ld mm=0xc000001ee39f4780 pte:7fc3f37848000001 pmd:c000001ec0000000
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/leds')
0 files changed, 0 insertions, 0 deletions