On Thu, 26 Apr 2007 17:57:40 -0400 Lee Schermerhorn <[EMAIL PROTECTED]> wrote:
> On Thu, 2007-04-26 at 18:34 +0900, KAMEZAWA Hiroyuki wrote: > > Changelog from V1 -> V2 > > - sysctl name is changed to be relaxed_zone_order > > - NORMAL->NORMAL->....->DMA->DMA->DMA order (new ordering) is now default. > > NORMAL->DMA->NORMAL->DMA order (old ordering) is optional. > > - addes boot opttion to set relaxed_zone_order. ia64 is supported now. > > - Added documentation > > > > patch is against 2.6.21-rc7-mm2. tested on ia64 NUMA box. works well. > > [PATCH] factor/rework change zonelist order patch > > Against 2.6.21-rc7 atop KAMEZAWA Hiroyuki's "change global zonelist > order on NUMA v2" patch. > Hi, this looks 'easier-to-read' than mine. thanks. > 3) kept early_param() definition for boot parameter in mm/page_alloc.c, > along with the handler function. One less file to modify. > I put early_param() to arch dependent part just beacause no generic code except for pci seems to call it. If it is allowed, I welcome this change. > 4) modified the two Documentation additions to match these changes. > > I've tested various combinations [non-exhaustive], with an ad hoc > instrumentation patch, and it appears to work as expected [as I expect, > anyway] on ia64 NUMA. > > Question: do we need to rebuild the zonelist caches when we reorder > the zones? The z_to_n[] array appears to be dependent on > the zonelist order... > maybe no. > Also: I see the "Movable" zones show up in 21-rc7-mm2. This patch > will cause Movable zone to overflow to remote movable zones > before using local Normal memory in non-default, zone order. > Is this what we want? > >From my point of view, it's what I want. What we have to do will be establish a way to create ZONE_MOVABLE with suitable size on each node. I'll merge your change to my set and add "automatic detection" support. Thank you. -Kame - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
