Re: [PATCH v7 bpf-next 1/7] bpf: udp: Make mem flags configurable through bpf_iter_udp_realloc_batch

Martin KaFai Lau <martin.lau@xxxxxxxxx> · Fri, 2 May 2025 14:31:28 -0700

On 5/2/25 9:15 AM, Jordan Rife wrote:
Prepare for the next patch which needs to be able to choose either
GFP_USER or GFP_NOWAIT for calls to bpf_iter_udp_realloc_batch.

Signed-off-by: Jordan Rife <jordan@xxxxxxxx>
Reviewed-by: Kuniyuki Iwashima <kuniyu@xxxxxxxxxx>
---
  net/ipv4/udp.c | 11 ++++++-----
  1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 2742cc7602bb..6a3c351aa06e 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -3401,7 +3401,7 @@ struct bpf_udp_iter_state {
  };
  
  static int bpf_iter_udp_realloc_batch(struct bpf_udp_iter_state *iter,
-				      unsigned int new_batch_sz);
+				      unsigned int new_batch_sz, int flags);

I also made a minor change from "int flags" to "gfp_t flags".








