Messages in this thread | | | Date | Wed, 15 Jan 2014 12:50:51 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH v3 13/14] mm, hugetlb: retry if failed to allocate and there is concurrent user |
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On Wed, 15 Jan 2014 12:47:00 -0800 Davidlohr Bueso <davidlohr@hp.com> wrote:
> > Well, we're mainly looking for bugfixes this last in the cycle. > > "[PATCH v3 03/14] mm, hugetlb: protect region tracking via newly > > introduced resv_map lock" fixes a bug, but I'd assumed that it depended > > on earlier patches. > > It doesn't seem to depend on anything. All 1-7 patches apply cleanly on > linux-next, the last change to mm/hugetlb.c was commit 3ebac7fa (mm: > dump page when hitting a VM_BUG_ON using VM_BUG_ON_PAGE). > > > If we think that one is serious then it would be > > better to cook up a minimal fix which is backportable into 3.12 and > > eariler? > > I don't think it's too serious, afaik it's a theoretical race and I > haven't seen any bug reports for it. So we can probably just wait for > 3.14, as you say, it's already late in the cycle anyways.
OK, thanks.
> Just let me > know what you want to do so we can continue working on the actual > performance issue.
A resend after -rc1 would suit.
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