Messages in this thread | | | Date | Tue, 9 Nov 1999 08:22:32 -0700 | From | yodaiken@chelm ... | Subject | Re: PATCH 2.3.26: kmalloc GFP_ZERO |
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On Tue, Nov 09, 1999 at 03:07:12PM +0100, Jes Sorensen wrote: > Mikulas> to do, it can clear free pages, and when GFP_ZERO request > Mikulas> comes, it returns page directly without clearing overhead. > > Which I doubt is a win anyway, all you do is to sit there and thrash > your cache in the background.
PPC turns cache off and zeros during idle task. This is a major performance win. We measured.
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