Messages in this thread | | | Date | Thu, 24 Sep 2009 10:05:18 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: No more bits in vm_area_struct's vm_flags. |
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On Wed, 23 Sep 2009 14:15:18 +1000 Nigel Cunningham <ncunningham@crca.org.au> wrote:
> Hi all. > > With the addition of the VM_MERGEABLE flag to vm_flags post-2.6.31, the > last bit in vm_flags has been used. >
Wow...that's bad.
> I have some code in TuxOnIce that needs a bit too (explicitly mark the > VMA as needing to be atomically copied, for GEM objects), and am not > sure what the canonical way to proceed is. Should a new unsigned long be > added? The difficulty I see with that is that my flag was used in > shmem_file_setup's flags parameter (drm_gem_object_alloc), so that > function would need an extra parameter too.. >
Hmm, how about adding vma->vm_flags2 ?
Thanks, -Kame
> Regards, > > Nigel > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >
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