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[bpf-next,v3,02/29] bpf: memcg-based memory accounting for bpf maps

Message ID 20200730212310.2609108-3-guro@fb.com
State Changes Requested
Delegated to: BPF Maintainers
Headers show
Series bpf: switch to memcg-based memory accounting | expand

Commit Message

Roman Gushchin July 30, 2020, 9:22 p.m. UTC 
This patch enables memcg-based memory accounting for memory allocated
by __bpf_map_area_alloc(), which is used by most map types for
large allocations.

Following patches in the series will refine the accounting for
some map types.

Signed-off-by: Roman Gushchin <guro@fb.com>
Acked-by: Song Liu <songliubraving@fb.com>
---
 kernel/bpf/syscall.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index cd3d599e9e90..a53e7aff3efc 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -275,7 +275,7 @@  static void *__bpf_map_area_alloc(u64 size, int numa_node, bool mmapable)
 	 * __GFP_RETRY_MAYFAIL to avoid such situations.
 	 */
 
-	const gfp_t gfp = __GFP_NOWARN | __GFP_ZERO;
+	const gfp_t gfp = __GFP_NOWARN | __GFP_ZERO | __GFP_ACCOUNT;
 	unsigned int flags = 0;
 	unsigned long align = 1;
 	void *area;