Messages in this thread | | | Date | Wed, 23 Jan 2008 10:51:32 -0800 (PST) | From | Christoph Lameter <> | Subject | Re: [PATCH] Fix boot problem in situations where the boot CPU is running on a memoryless node |
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On Wed, 23 Jan 2008, Pekka J Enberg wrote:
> Fine. But, why are we hitting fallback_alloc() in the first place? It's > definitely not because of missing ->nodelists as we do: > > cache_cache.nodelists[node] = &initkmem_list3[CACHE_CACHE]; > > before attempting to set up kmalloc caches. Now, if I understood > correctly, we're booting off a memoryless node so kmem_getpages() will > return NULL thus forcing us to fallback_alloc() which is unavailable at > this point. > > As far as I can tell, there are two ways to fix this: > > (1) don't boot off a memoryless node (why are we doing this in the first > place?)
Right. That is the solution that I would prefer.
> (2) initialize cache_cache.nodelists with initmem_list3 equivalents > for *each node hat has normal memory*
Or simply do it for all. SLAB bootstrap is very complex thing though.
> > I am still wondering why this worked before, though.
I doubt it did ever work for SLAB.
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