[lkml]   [2002]   [Mar]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: 2.4.19pre1aa1
On Tue, 5 Mar 2002, Andrea Arcangeli wrote:
> On Mon, Mar 04, 2002 at 09:01:31PM -0300, Rik van Riel wrote:
> > This could be expressed as:
> >
> > "node A" HIGHMEM A -> HIGHMEM B -> NORMAL -> DMA
> > "node B" HIGHMEM B -> HIGHMEM A -> NORMAL -> DMA
> Highmem? Let's assume you speak about "normal" and "dma" only of course.
> And that's not always the right zonelist layout. If an allocation asks for
> ram from a certain node, like during the ram bindings, we should use the
> current layout of the numa zonelist. If node A is the preferred, than we
> should allocate from node A first,

You're forgetting about the fact that this NUMA box only
has 1 ZONE_NORMAL and 1 ZONE_DMA while it has multiple
HIGHMEM zones...

This makes the fallback pattern somewhat more complex.


"Linux holds advantages over the single-vendor commercial OS"
-- Microsoft's "Competing with Linux" document

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:24    [W:0.120 / U:7.328 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site