Messages in this thread Patch in this message |  | | | From | Andi Kleen <> | | Subject | [PATCH 1/8] Fix interleaving for transparent hugepages v2 | | Date | Wed, 2 Mar 2011 16:45:21 -0800 |
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From: Andi Kleen <ak@linux.intel.com>
Bugfix, independent from the rest of the series.
The THP code didn't pass the correct interleaving shift to the memory policy code. Fix this here by adjusting for the order.
v2: Use + (thanks Christoph) Acked-by: Andrea Arcangeli <aarcange@redhat.com> Reviewed-by: Christoph Lameter <cl@linux.com> Signed-off-by: Andi Kleen <ak@linux.intel.com> --- mm/mempolicy.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 368fc9d..49355a9 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(); -- 1.7.4
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