Messages in this thread |  | | | Date | Thu, 22 May 2003 05:04:24 -0700 | | From | William Lee Irwin III <> | | Subject | Re: [patch] futex requeueing feature, futex-requeue-2.5.69-D3 |
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On Thu, May 22, 2003 at 01:34:42PM +0200, Ingo Molnar wrote: > there's a patch in the works to change futex hashing to not require page > pinning, without making futexes process-local. This should also fix the > FUTEX_FD problems. > basically the idea is that struct page remains to be a good hash whenever > the page is present, and the swapout pte value is a good hash key when the > page is swapped out. So we basically can make futexes swappable. > this gets rid of pinned pages and pagetable locking, without the need for > API-level changes.
Someone's already doing it? I'll back off if so.
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