On Tue, Jan 19, 2016 at 04:07:15PM -0800, Linus Torvalds wrote: > On Mon, Jan 18, 2016 at 7:36 AM, Willy Tarreau <w@xxxxxx> wrote: > > On no-so-small systems, it is possible for a single process to cause an > > OOM condition by filling large pipes with data that are never read. A > > typical process filling 4000 pipes with 1 MB of data will use 4 GB of > > memory. On small systems it may be tricky to set the pipe max size to > > prevent this from happening. > > > > This patch makes it possible to enforce a per-user soft limit above > > which new pipes will be limited to a single page, effectively limiting > > them to 4 kB each, as well as a hard limit above which no new pipes may > > be created for this user. T > > Al, should I take this directly, or is it coming through your tree? I'll pick it. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html