Messages in this thread | | | Date | Sun, 10 Oct 1999 23:53:37 +0200 (CEST) | From | Andrea Arcangeli <> | Subject | Re: locking question: do_mmap(), do_munmap() |
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On Sun, 10 Oct 1999, Alexander Viro wrote:
>I still think that just keeping a cyclic list of pages, grabbing from that >list before taking mmap_sem _if_ we have a chance for blocking >__get_free_page(), refilling if the list is empty (prior to down()) and >returning the page into the list if we didn't use it may be the simplest >way.
I can't understand very well your plan.
We just have a security pool. We just block only when the pool become low. To refill our just existing pool we have to walk the vmas. That's the problem in first place.
Andrea
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