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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-09-20 08:15:23 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-09-20 08:15:23 -0700 |
| commit | bdab18633a302c82b5e5d5dbc4e38b0baf9c0837 (patch) | |
| tree | 0446500af9a76d4e8b2a72a0a41391ceede73a10 /fs/proc/loadavg.c | |
| download | linux-stable-bdab18633a302c82b5e5d5dbc4e38b0baf9c0837.tar.gz linux-stable-bdab18633a302c82b5e5d5dbc4e38b0baf9c0837.zip | |
Merge tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipgrafted
Pull futex fix from Ingo Molnar:
- Also allocate a default private futex hash on vfork() as well, to
avoid races with (private) futex waiters (Peter Zijlstra)
* tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
futex: Also allocate private hash on vfork()
Diffstat (limited to 'fs/proc/loadavg.c')
| -rw-r--r-- | fs/proc/loadavg.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/fs/proc/loadavg.c b/fs/proc/loadavg.c new file mode 100644 index 000000000..817981e57 --- /dev/null +++ b/fs/proc/loadavg.c @@ -0,0 +1,37 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/fs.h> +#include <linux/init.h> +#include <linux/pid_namespace.h> +#include <linux/proc_fs.h> +#include <linux/sched.h> +#include <linux/sched/loadavg.h> +#include <linux/sched/stat.h> +#include <linux/seq_file.h> +#include <linux/seqlock.h> +#include <linux/time.h> +#include "internal.h" + +static int loadavg_proc_show(struct seq_file *m, void *v) +{ + unsigned long avnrun[3]; + + get_avenrun(avnrun, FIXED_1/200, 0); + + seq_printf(m, "%lu.%02lu %lu.%02lu %lu.%02lu %u/%d %d\n", + LOAD_INT(avnrun[0]), LOAD_FRAC(avnrun[0]), + LOAD_INT(avnrun[1]), LOAD_FRAC(avnrun[1]), + LOAD_INT(avnrun[2]), LOAD_FRAC(avnrun[2]), + nr_running(), nr_threads, + idr_get_cursor(&task_active_pid_ns(current)->idr) - 1); + return 0; +} + +static int __init proc_loadavg_init(void) +{ + struct proc_dir_entry *pde; + + pde = proc_create_single("loadavg", 0, NULL, loadavg_proc_show); + pde_make_permanent(pde); + return 0; +} +fs_initcall(proc_loadavg_init); |
