On Tue, 23 Feb 2010, David Rientjes wrote: > > Or slab/slub system is not designed for this, I should forget it and > > opt for another system? > > > > No slab allocator is going to be designed for that other than SLAB_DMA to > allocate from lowmem. If you don't have need for lowmem, why do you need > memory only from a certain range? I can imagine it would have a usecase > for memory hotplug to avoid allocating slab that cannot be reclaimed on > certain nodes, but ZONE_MOVABLE seems more appropriate to guarantee such > migration properties. Awhile ago I posted a patch to do just that. It was called alloc_pages_range() and the intend was to replace the dma zone. http://lkml.indiana.edu/hypermail/linux/kernel/0609.2/2096.html -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>