netdev - [PATCH 05/14] bpf: Allow no charge in bpf_map_area

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Date:   Sat, 19 Mar 2022 17:30:27 +0000
From:   Yafang Shao <laoar.shao@...il.com>
To:     roman.gushchin@...ux.dev, ast@...nel.org, daniel@...earbox.net,
        andrii@...nel.org, kafai@...com, songliubraving@...com, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org, shuah@...nel.org
Cc:     netdev@...r.kernel.org, bpf@...r.kernel.org,
        linux-kselftest@...r.kernel.org, Yafang Shao <laoar.shao@...il.com>
Subject: [PATCH 05/14] bpf: Allow no charge in bpf_map_area_alloc

Use the helper we introduced before to decide whether set the
__GFP_ACCOUNT or not.

Signed-off-by: Yafang Shao <laoar.shao@...il.com>
---
 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 f70a7067ef4a..add3b4045b4d 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -307,7 +307,7 @@ static void *__bpf_map_area_alloc(u64 size, union bpf_attr *attr, bool mmapable)
 	 * __GFP_RETRY_MAYFAIL to avoid such situations.
 	 */
 
-	const gfp_t gfp = __GFP_NOWARN | __GFP_ZERO | __GFP_ACCOUNT;
+	const gfp_t gfp = map_flags_no_charge(__GFP_NOWARN | __GFP_ZERO, attr);
 	int numa_node = bpf_map_attr_numa_node(attr);
 	unsigned long align = 1;
 	unsigned int flags = 0;
-- 
2.17.1