bpf: Use try_alloc_pages() to allocate pages for bpf needs.

Use try_alloc_pages() and free_pages_nolock() Signed-off-by: Alexei Starovoitov <[email protected]>
kernel-patches · Dec 10, 2024 · 9dcb7b3 · 9dcb7b3
1 parent cac35e4
commit 9dcb7b3
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
@@ -582,14 +582,14 @@ int bpf_map_alloc_pages(const struct bpf_map *map, gfp_t gfp, int nid,
 	old_memcg = set_active_memcg(memcg);
 #endif
 	for (i = 0; i < nr_pages; i++) {
-		pg = alloc_pages_node(nid, gfp | __GFP_ACCOUNT, 0);
+		pg = try_alloc_pages(nid, 0);
 
 		if (pg) {
 			pages[i] = pg;
 			continue;
 		}
 		for (j = 0; j < i; j++)
-			__free_page(pages[j]);
+			free_pages_nolock(pages[j], 0);
 		ret = -ENOMEM;
 		break;
 	}