tcp: TCP_NOTSENT_LOWAT socket option [LWN.net]
netdev <netdev@vger.kernel.org>, Neal Cardwell <ncardwell@google.com>, Michael Kerrisk <mtk.manpages@gmail.com>, Yuchung Cheng <ycheng@google.com> From: Eric Dumazet <edumazet@google.com> Idea of this patch is to add optional limitation of number of unsent bytes in TCP sockets, to reduce usage of kernel memory. TCP receiver might announce a big window, and TCP sender autotuning might allow a large
On vsyscalls and the vDSO [LWN.net]
Please consider subscribing to LWNSubscriptions are the lifeblood of LWN.net. If you appreciate this content and would like to see more of it, your subscription will help to ensure that LWN continues to thrive. Please visit this page to join up and keep LWN on the net. The "vsyscall" and "vDSO" segments are two mechanisms used to accelerate certain system calls in Linux. While their basic function
Glibc change exposing bugs [LWN.net]
People experiencing sound corruption or other strange bugs on recent distribution releases may want to have a look at this Fedora bugzilla entry. It seems that the glibc folks changed the implementation of memcpy() to one which, in theory, is more highly optimized for current processors. Unfortunately, that change exposes bugs in code where developers ignored the requirement that the source and de
LWN.net - Linux Weekly News
LWN.net is a reader-supported news site dedicated to producing the best coverage from within the Linux and free software development communities. See the LWN FAQ for more information, and please consider subscribing to gain full access and support our activities. [Development] Posted Mar 7, 2024 15:46 UTC (Thu) by koenvervloesem While programmers are used to having tools to check their code for st
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init: rename CONFIG_EMBEDDED to CONFIG_EXPERT [LWN.net]
