Messages in this thread | | | Date | Thu, 4 Sep 2003 17:55:31 +0100 (BST) | From | Hugh Dickins <> | Subject | Re: [PATCH] Alternate futex non-page-pinning and COW fix |
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On Thu, 4 Sep 2003, Linus Torvalds wrote: > > However, the thing is, the case really can be a totally writable > MAP_PRIVATE that just hasn't been modified (and thus not COW'ed) _yet_. > > But sure, we could just require that futex pages are dirty in this case.
There's no problem here in Jamie's implementation, no need to demand that; but the previous implementation did make COWing problems for itself, yes.
Hugh
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