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| author | Xin Long <lucien.xin@gmail.com> | 2018-10-16 22:07:50 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-10-18 21:23:47 +0300 |
| commit | 605c0ac182c34867bda71bfbcc74958aabbe2fe0 (patch) | |
| tree | 3faf0884fe9eb3899629b3c7adb895e1c695503e /include/net | |
| parent | 2d0f0ca2c7b56c1df29429dd5a768fc49e79ffae (diff) | |
| download | linux-605c0ac182c34867bda71bfbcc74958aabbe2fe0.tar.xz | |
sctp: count both sk and asoc sndbuf with skb truesize and sctp_chunk size
Now it's confusing that asoc sndbuf_used is doing memory accounting with
SCTP_DATA_SNDSIZE(chunk) + sizeof(sk_buff) + sizeof(sctp_chunk) while sk
sk_wmem_alloc is doing that with skb->truesize + sizeof(sctp_chunk).
It also causes sctp_prsctp_prune to count with a wrong freed memory when
sndbuf_policy is not set.
To make this right and also keep consistent between asoc sndbuf_used, sk
sk_wmem_alloc and sk_wmem_queued, use skb->truesize + sizeof(sctp_chunk)
for them.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/sctp/constants.h | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h index 86f034b524d4..8dadc74c22e7 100644 --- a/include/net/sctp/constants.h +++ b/include/net/sctp/constants.h @@ -148,11 +148,6 @@ SCTP_SUBTYPE_CONSTRUCTOR(PRIMITIVE, enum sctp_event_primitive, primitive) #define sctp_chunk_is_data(a) (a->chunk_hdr->type == SCTP_CID_DATA || \ a->chunk_hdr->type == SCTP_CID_I_DATA) -/* Calculate the actual data size in a data chunk */ -#define SCTP_DATA_SNDSIZE(c) ((int)((unsigned long)(c->chunk_end) - \ - (unsigned long)(c->chunk_hdr) - \ - sctp_datachk_len(&c->asoc->stream))) - /* Internal error codes */ enum sctp_ierror { SCTP_IERROR_NO_ERROR = 0, |