Messages in this thread | | | Subject | Re: RFC: COW for hugepages | From | Benjamin Herrenschmidt <> | Date | Wed, 07 Apr 2004 18:29:54 +1000 |
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On Wed, 2004-04-07 at 17:53, Andrew Morton wrote: > David Gibson <david@gibson.dropbear.id.au> wrote: > > > > Doing the COW for hugepages turns out not to be terribly difficult. > > Is there any reason not to apply this patch? > > Not much, except that it adds stuff to the kernel. > > Does anyone actually have a real-world need for the feature?
Yup, porting some apps to use hugepages, when those apps rely on fork & cow semantics typically. Also, implicit use of hugepages (usually via a malloc override library).
Ben.
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