Messages in this thread | | | Date | Wed, 3 Sep 2003 18:16:23 +0100 | From | Jamie Lokier <> | Subject | Re: [PATCH] Alternate futex non-page-pinning and COW fix |
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Andrew Morton wrote: > Take mmap_sem for writing around the modification of vma->vm_flags. > But hold it for reading across the populate function: it does I/O and is > slow.
Agreed. Well spotted.
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