Messages in this thread | | | Date | Thu, 17 May 2007 11:01:01 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: [PATCH 0/5] make slab gfp fair |
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On Thu, 17 May 2007, Peter Zijlstra wrote:
> > > Its about ensuring ALLOC_NO_WATERMARKS memory only reaches PF_MEMALLOC > > > processes, not joe random's pi calculator. > > > > Watermarks are per zone? > > Yes, but the page allocator might address multiple zones in order to > obtain a page.
And then again it may not because the allocation is contrained to a particular node,a NORMAL zone or a DMA zone. One zone way be below the watermark and another may not. Different allocations may be allowed to tap into various zones for various reasons.
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