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| author | Andi Kleen <ak@linux.intel.com> | 2011-02-25 14:44:28 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-02-25 15:07:37 -0800 |
| commit | 8eac563c1c3a2047083022357ae63722b19e4e08 (patch) | |
| tree | 724280edfbf6bd8206b0cc0337ee242d2a2518e0 /mm | |
| parent | 7137c6bd455234bcb7560fd829e6ee49cae5fed6 (diff) | |
| download | linux-8eac563c1c3a2047083022357ae63722b19e4e08.tar.gz linux-8eac563c1c3a2047083022357ae63722b19e4e08.tar.bz2 linux-8eac563c1c3a2047083022357ae63722b19e4e08.zip | |
thp: fix interleaving for transparent hugepages
The THP code didn't pass the correct interleaving shift to the memory
policy code. Fix this here by adjusting for the order.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Reviewed-by: Christoph Lameter <cl@linux.com>
Acked-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/mempolicy.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 368fc9d23610..49355a970be2 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1830,7 +1830,7 @@ alloc_pages_vma(gfp_t gfp, int order, struct vm_area_struct *vma, if (unlikely(pol->mode == MPOL_INTERLEAVE)) { unsigned nid; - nid = interleave_nid(pol, vma, addr, PAGE_SHIFT); + nid = interleave_nid(pol, vma, addr, PAGE_SHIFT + order); mpol_cond_put(pol); page = alloc_page_interleave(gfp, order, nid); put_mems_allowed(); |