korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-09-21 12:11:49 +08:00
Code Issues Packages Projects Releases Wiki Activity

tcp: Use clamp() in htcp_alpha_update()

Browse Source 
Using clamp instead of min(max()) is easier to read and it matches even
better the comment just above it.

It also reduces the size of the preprocessed files by ~ 2.5 ko.
(see [1] for a discussion about it)

$ ls -l net/ipv4/tcp_htcp*.i
 5576024 27 juil. 10:19 net/ipv4/tcp_htcp.old.i
 5573550 27 juil. 10:21 net/ipv4/tcp_htcp.new.i

[1]: https://lore.kernel.org/all/23bdb6fc8d884ceebeb6e8b8653b8cfe@AcuMS.aculab.com/

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/561bb4974499a328ac39aff31858465d9bd12b1c.1722752370.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Christophe JAILLET 2024-08-04 08:20:17 +02:00 committed by Jakub Kicinski
parent 63a796b498
commit 871cdea0f8
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/ipv4/tcp_htcp.c
View File

@ -185,7 +185,7 @@ static inline void htcp_alpha_update(struct htcp *ca)
u32 scale = (HZ << 3) / (10 * minRTT);
/* clamping ratio to interval [0.5,10]<<3 */
scale = min(max(scale, 1U << 2), 10U << 3);
scale = clamp(scale, 1U << 2, 10U << 3);
factor = (factor << 3) / scale;
if (!factor)
factor = 1;