diff mbox series

[v2,07/28] mm/hugetlb: use online nodes for bootmem allocation

Message ID 20250129224157.2046079-8-fvdl@google.com (mailing list archive)
State New
Headers show
Series hugetlb/CMA improvements for large systems | expand

Commit Message

Frank van der Linden Jan. 29, 2025, 10:41 p.m. UTC 
Later commits will move hugetlb bootmem allocation to earlier
in init, when N_MEMORY has not yet been set on nodes. Use
online nodes instead. At most, this wastes just a few cycles
once during boot (and most likely none).

Signed-off-by: Frank van der Linden <fvdl@google.com>
---
 mm/hugetlb.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 196359254cfb..20d54eaf2bad 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3152,7 +3152,7 @@  int __alloc_bootmem_huge_page(struct hstate *h, int nid)
 		goto found;
 	}
 	/* allocate from next node when distributing huge pages */
-	for_each_node_mask_to_alloc(&h->next_nid_to_alloc, nr_nodes, node, &node_states[N_MEMORY]) {
+	for_each_node_mask_to_alloc(&h->next_nid_to_alloc, nr_nodes, node, &node_states[N_ONLINE]) {
 		m = memblock_alloc_try_nid_raw(
 				huge_page_size(h), huge_page_size(h),
 				0, MEMBLOCK_ALLOC_ACCESSIBLE, node);
@@ -4550,8 +4550,8 @@  void __init hugetlb_add_hstate(unsigned int order)
 	for (i = 0; i < MAX_NUMNODES; ++i)
 		INIT_LIST_HEAD(&h->hugepage_freelists[i]);
 	INIT_LIST_HEAD(&h->hugepage_activelist);
-	h->next_nid_to_alloc = first_memory_node;
-	h->next_nid_to_free = first_memory_node;
+	h->next_nid_to_alloc = first_online_node;
+	h->next_nid_to_free = first_online_node;
 	snprintf(h->name, HSTATE_NAME_LEN, "hugepages-%lukB",
 					huge_page_size(h)/SZ_1K);