Messages in this thread | | | Date | Thu, 29 May 2014 18:52:11 -0700 (PDT) | From | Hugh Dickins <> | Subject | Re: [PATCH] hugetlb: restrict hugepage_migration_support() to x86_64 (Re: BUG at mm/memory.c:1489!) |
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On Fri, 30 May 2014, Michael Ellerman wrote: > > diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h > index 3c1b968..f230a97 100644 > --- a/include/linux/mempolicy.h > +++ b/include/linux/mempolicy.h > @@ -175,6 +175,12 @@ static inline int vma_migratable(struct vm_area_struct *vma) > { > if (vma->vm_flags & (VM_IO | VM_PFNMAP)) > return 0; > + > +#ifndef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION > + if (vma->vm_flags & VM_HUGETLB) > + return 0; > +#endif > + > /* > * Migration allocates pages in the highest zone. If we cannot > * do so then migration (at least from node to node) is not
That's right, thanks.
> > > Which seems to be what Hugh was referring to in his mail - correct me if I'm > wrong Hugh. > > With your patch and the above hunk I can run trinity happily for a while, > whereas without it crashes almost immediately. > > So with the above hunk you can add my tested-by. > > cheers
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