The slab allocator observes the task's NUMA policy in various places
such as allocating slab pages. Large kmalloc() allocations used to do
that too, until an unintended change by
c4cab557521a ("mm/slab_common:
cleanup kmalloc_large()") resulted in ignoring mempolicy and just
preferring the local node. Restore the NUMA policy support.
Fixes: c4cab557521a ("mm/slab_common: cleanup kmalloc_large()")
Cc: <stable@vger.kernel.org>
Acked-by: Christoph Lameter (Ampere) <cl@gentwo.org>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
flags = kmalloc_fix_flags(flags);
flags |= __GFP_COMP;
- folio = (struct folio *)alloc_pages_node_noprof(node, flags, order);
+
+ if (node == NUMA_NO_NODE)
+ folio = (struct folio *)alloc_pages_noprof(flags, order);
+ else
+ folio = (struct folio *)__alloc_pages_noprof(flags, order, node, NULL);
+
if (folio) {
ptr = folio_address(folio);
lruvec_stat_mod_folio(folio, NR_SLAB_UNRECLAIMABLE_B,