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File _service:tar_scm_kernel_repo:backport-udev-raise-RLIMIT_NOFILE-as-high-as-we-can.patch of Package systemd
From b45b5700c6be73c3da030a943cc69997f209b887 Mon Sep 17 00:00:00 2001 From: Lennart Poettering <lennart@poettering.net> Date: Tue, 26 Sep 2023 09:52:05 +0200 Subject: [PATCH] udev: raise RLIMIT_NOFILE as high as we can We might need a lot of fds on large systems, hence raise RLIMIT_NOFILE to what the service manager allows us, which is quite a lot these days. udev already sets FORK_RLIMIT_NOFILE_SAFE when forking of chilren, thus ensuring that forked off processes get their RLIMIT_NOFILE soft limit reset to 1K for compat with crappy old select(). Replaces: #29298 Fixes: #28583 (cherry picked from commit 1617424ce76d797d081dd6cb1082b954c4d2bf38) (cherry picked from commit c98a24bdbdb830a5081d5ec972d62d08547d7255) (cherry picked from commit b60cf1f7f489e25c730e21c4c17f968330846325) Conflict:code context adaptation Reference:https://github.com/systemd/systemd-stable/commit/b45b5700c6be73c3da030a943cc69997f209b887 --- src/udev/udevd.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/udev/udevd.c b/src/udev/udevd.c index c83c59516b..2095062b93 100644 --- a/src/udev/udevd.c +++ b/src/udev/udevd.c @@ -55,6 +55,7 @@ #include "pretty-print.h" #include "proc-cmdline.h" #include "process-util.h" +#include "rlimit-util.h" #include "selinux-util.h" #include "signal-util.h" #include "socket-util.h" @@ -2040,6 +2041,9 @@ int run_udevd(int argc, char *argv[]) { if (r < 0) return r; + /* Make sure we can have plenty fds (for example for pidfds) */ + (void) rlimit_nofile_bump(-1); + r = mkdir_errno_wrapper("/run/udev", 0755); if (r < 0 && r != -EEXIST) return log_error_errno(r, "Failed to create /run/udev: %m"); -- 2.33.0
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