diff options
author | Martin Pieuchot <mpi@cvs.openbsd.org> | 2023-09-16 09:33:29 +0000 |
---|---|---|
committer | Martin Pieuchot <mpi@cvs.openbsd.org> | 2023-09-16 09:33:29 +0000 |
commit | fff317a1d2654248f137b1b92993cc737921b110 (patch) | |
tree | 4d1cb84a19d51934c530fd92b6321ff3519eb995 /sys/netinet/ip_input.c | |
parent | 817d1e1b3d749f30a8a76eba5823137fb9695bde (diff) |
Allow counters_read(9) to take an optional scratch buffer.
Using a scratch buffer makes it possible to take a consistent snapshot of
per-CPU counters without having to allocate memory.
Makes ddb(4) show uvmexp command work in OOM situations.
ok kn@, mvs@, cheloha@
Diffstat (limited to 'sys/netinet/ip_input.c')
-rw-r--r-- | sys/netinet/ip_input.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/netinet/ip_input.c b/sys/netinet/ip_input.c index 5db74552c14..279252353cc 100644 --- a/sys/netinet/ip_input.c +++ b/sys/netinet/ip_input.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ip_input.c,v 1.386 2023/09/06 11:09:43 bluhm Exp $ */ +/* $OpenBSD: ip_input.c,v 1.387 2023/09/16 09:33:27 mpi Exp $ */ /* $NetBSD: ip_input.c,v 1.30 1996/03/16 23:53:58 christos Exp $ */ /* @@ -1747,7 +1747,7 @@ ip_sysctl_ipstat(void *oldp, size_t *oldlenp, void *newp) CTASSERT(sizeof(ipstat) == (nitems(counters) * sizeof(u_long))); memset(&ipstat, 0, sizeof ipstat); - counters_read(ipcounters, counters, nitems(counters)); + counters_read(ipcounters, counters, nitems(counters), NULL); for (i = 0; i < nitems(counters); i++) words[i] = (u_long)counters[i]; |