Hi Tejun and Christoph, Thanks for your suggestions and discussion. Tejun really gives a good point to hide memoryless node interface from normal slab users. I will rework the patch set to go that direction. Regards! Gerry On 2014/7/12 3:11, Christoph Lameter wrote: > On Fri, 11 Jul 2014, Tejun Heo wrote: > >> On Fri, Jul 11, 2014 at 12:29:30PM -0500, Christoph Lameter wrote: >>> GFP_THISNODE is mostly used by allocators that need memory from specific >>> nodes. The use of numa_mem_id() there is useful because one will not >>> get any memory at all when attempting to allocate from a memoryless >>> node using GFP_THISNODE. >> >> As long as it's in allocator proper, it doesn't matter all that much >> but the changes are clearly not contained, are they? > > Well there is a proliferation of memory allocators recently. NUMA is often > a second thought in those. > -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>