Messages in this thread | | | Date | Fri, 21 Apr 2006 09:43:45 +0200 | From | Nick Piggin <> | Subject | Re: [patch 1/5] mm: remap_vmalloc_range |
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On Fri, Apr 21, 2006 at 09:41:57AM +0200, Nick Piggin wrote: > On Fri, Apr 21, 2006 at 12:29:38AM -0700, Andrew Morton wrote: > > > > When replacing calls to remap_pfn_rage() with calls to remap_valloc_range(): > > > > - remap_pfn_range() sets VM_IO|VM_RESERVED|VM_PFNMAP on the user's vma. > > remap_valloc_range() sets only VM_RESERVED. > > Yep, it doesn't use PFNMAPs (we can always user the underlying struct > page), nor is it IO space. The only change that should be seen, as > noted in patch 4/5, is that get_user_pages will work on all mappings > now. I don't think there is a downside to this?
By "change that should be seen", I mean the only change that userspace should see. - 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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