Messages in this thread | | | Date | Sat, 4 Jan 2003 21:07:55 -0800 | From | William Lee Irwin III <> | Subject | Re: [PATCH] rewritten page coloring for 2.4.20 kernel |
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On Sat, Jan 04, 2003 at 11:31:11PM -0500, Jason Papadopoulos wrote: > Hello. After a year in stasis, I've completely rebuilt my kernel > patch that implements page coloring. Improvements include: > - Page coloring is now hardwired into the kernel. The hash > queues now use bootmem, and page coloring is always on. The > patch still creates /proc/page_color for statistics, but that > will go away in time. > - Automatic detection of external cache size on many architectures. > I have no idea if any of this code works, since I don't have any > of the target machines. The preferred way to initialize the coloring > is by passing "page_color=<external cache size in kB>" as a boot > argument. > - NUMA-safe, discontig-safe > Right now the actual page coloring algorithm is the same as in previous > patches, and performs the same. In the next few weeks I'll be trying new > ideas that will hopefully reduce fragmentation and increase performance. > This is an early attempt to get some feedback on mistakes I may have made.
Any chance for a 2.5.x-mm port? This is a bit feature-ish for 2.4.x.
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