On Mon, 14 May 2007, Peter Zijlstra wrote: > > Why does this have to handled by the slab allocators at all? If you have > > free pages in the page allocator then the slab allocators will be able to > > use that reserve. > > Yes, too freely. GFP flags are only ever checked when you allocate a new > page. Hence, if you have a low reaching alloc allocating a slab page; > subsequent non critical GFP_KERNEL allocs can fill up that slab. Hence > you would need to reserve a slab per object instead of the normal > packing.
This is all about making one thread fail rather than another? Note that the allocations are a rather compex affair in the slab allocators. Per node and per cpu structures play a big role. - 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/
