Thread (88 messages) flat view 88 messages, 5 authors, 2020-07-30
STALE2201d

Revision v2 of 10 in this series.

Revisions (10)
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  2. v2 current
  3. v3 [diff vs current]
  4. v4 [diff vs current]
  5. v5 [diff vs current]
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  9. v8 [diff vs current]
  10. v9 [diff vs current]

[PATCH bpf-next v2 02/35] bpf: memcg-based memory accounting for bpf maps

From: Roman Gushchin <hidden>
Date: 2020-07-27 18:46:14
Also in: bpf, lkml
Subsystem: bpf [core], bpf [general] (safe dynamic programs and tools), the rest · Maintainers: Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Linus Torvalds

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 <redacted>
---
 kernel/bpf/syscall.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index ee290b1f2d9e..501b2c071d7b 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;
-- 
2.26.2
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