Messages in this thread | | | Date | Mon, 05 Jan 2004 14:31:55 -0800 | From | Matthew Dobson <> | Subject | Re: [PATCH] Simplify node/zone field in page->flags |
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Jesse Barnes wrote: > On Mon, Jan 05, 2004 at 01:22:57PM -0800, Matthew Dobson wrote: > >>Jesse had acked the patch in an earlier itteration. The only thing >>that's changed is some line offsets whilst porting the patch forward. >> >>Jesse (or anyone else?), any objections to this patch as a superset of >>yours? > > > No objections here. Of course, you'll have to rediff against the > current tree since that stuff has been merged for awhile now. On a > somewhat related note, Martin mentioned that he'd like to get rid of > memblks. I'm all for that too; they just seem to get in the way. > > Jesse
Here's an updated version against 2.6.1-rc1. Small comment fix (there are actually up to (MAX_NUMNODES * MAX_NR_ZONES) possible zones total, not log2(MAX_NUMNODES * MAX_NR_ZONES) as your comment stated. That is the number of bits necessary to index every possible zone.
After this goes in, we (I) can convert a number of places that are doing several pointer dereferences/arithmetic and other things to determine which node/zone a page belongs to simply calling page_nodenum()/page_zonenum().
Cheers!
-Matt
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