Re: [PATCH] 3 performance tweaks

From: Stefan Monnier (monnier+lists/linux/kernel/news/@RUM.CS.YALE.EDU)
Date: Wed May 24 2000 - 11:40:29 EST


>>>>> "Manfred" == Manfred Spraul <manfreds@colorfullife.com> writes:
> * gfp could be speed-up: IMHO we should switch from the normal buddy to
> a lazy buddy: as long as noone asks for order>0, we can avoid coalescing
> all pages. I found a reference in "Unix Internals" [the book mentioned
> in mm/slab.c], I'll check that today.

I don't know if this applies here, but Paul Wilson's work on memory
allocation algorithms seems to show that eager coalescing is important
to avoid fragmentation.

        Stefan

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Wed May 31 2000 - 21:00:11 EST