Messages in this thread | | | Date | Mon, 28 Nov 2016 10:38:58 -0600 (CST) | From | Christoph Lameter <> | Subject | Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v3 |
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On Mon, 28 Nov 2016, Mel Gorman wrote:
> Yes, that's a problem for SLUB with or without this patch. It's always > been the case that SLUB relying on high-order pages for performance is > problematic.
This is a general issue in the kernel. Performance often requires larger contiguous ranges of memory.
> > that only insiders know how to tune and an overall fragile solution. > While I agree with all of this, it's also a problem independent of this > patch.
It is related. The fundamental issue with fragmentation remain and IMHO we really need to tackle this.
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