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[bpf-next,v2,6/6] bpf: Use try_alloc_pages() to allocate pages for bpf needs.

Message ID 20241210023936.46871-7-alexei.starovoitov@gmail.com (mailing list archive)
State Changes Requested
Delegated to: BPF
Headers show
Series bpf, mm: Introduce __GFP_TRYLOCK | expand

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Commit Message

Alexei Starovoitov Dec. 10, 2024, 2:39 a.m. UTC 
From: Alexei Starovoitov <ast@kernel.org>

Use try_alloc_pages() and free_pages_nolock()

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
 kernel/bpf/syscall.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 5684e8ce132d..70589208b545 100644
--- 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;
 	}