From: Dominique Martinet Date: Sat, 4 Sep 2021 23:29:22 +0000 (+0900) Subject: net/9p: increase tcp max msize to 1MB X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=22bb3b79290ec5970b74fa6e9eb313802d075c82;p=linux.git net/9p: increase tcp max msize to 1MB Historically TCP has been limited to 64K buffers, but increasing msize provides huge performance benefits especially as latency increase so allow for bigger buffers. Ideally further improvements could change the allocation from the current contiguous chunk in slab (kmem_cache) to some scatter-gather compatible API... Note this only increases the max possible setting, not the default value. Link: http://lkml.kernel.org/r/YTQB5jCbvhmCWzNd@codewreck.org Signed-off-by: Dominique Martinet --- diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c index f4dd0456beaf4..007bbcc68010b 100644 --- a/net/9p/trans_fd.c +++ b/net/9p/trans_fd.c @@ -34,7 +34,7 @@ #include /* killme */ #define P9_PORT 564 -#define MAX_SOCK_BUF (64*1024) +#define MAX_SOCK_BUF (1024*1024) #define MAXPOLLWADDR 2 static struct p9_trans_module p9_tcp_trans;