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net: skbuff: drop the word head from skb cache

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skbuff_head_cache is misnamed (perhaps for historical reasons?)
because it does not hold heads. Head is the buffer which skb->data
points to, and also where shinfo lives. struct sk_buff is a metadata
structure, not the head.

Eric recently added skb_small_head_cache (which allocates actual
head buffers), let that serve as an excuse to finally clean this up :)

Leave the user-space visible name intact, it could possibly be uAPI.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski
2023-02-08 22:06:42 -08:00
committed by David S. Miller
parent 01a7ee36e7
commit 025a785ff0
5 changed files with 20 additions and 22 deletions
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2
net/bpf/test_run.c
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@@ -234,7 +234,7 @@ static int xdp_recv_frames(struct xdp_frame **frames, int nframes,
int i, n;
LIST_HEAD(list);
n = kmem_cache_alloc_bulk(skbuff_head_cache, gfp, nframes, (void **)skbs);
n = kmem_cache_alloc_bulk(skbuff_cache, gfp, nframes, (void **)skbs);
if (unlikely(n == 0)) {
for (i = 0; i < nframes; i++)
xdp_return_frame(frames[i]);