diff options
Diffstat (limited to 'sys/kern/subr_mbuf.c')
| -rw-r--r-- | sys/kern/subr_mbuf.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sys/kern/subr_mbuf.c b/sys/kern/subr_mbuf.c index 7906ab1bdda7..285d376f10b7 100644 --- a/sys/kern/subr_mbuf.c +++ b/sys/kern/subr_mbuf.c @@ -614,6 +614,21 @@ mb_alloc(struct mb_lstmngr *mb_list, int how, short type, short persist, struct mb_bucket *bucket; void *m; +/* #ifdef INVARIANTS */ + int flags; + + flags = how & (M_WAITOK | M_NOWAIT | M_DONTWAIT | M_TRYWAIT); + if (flags != M_DONTWAIT && flags != M_TRYWAIT) { + static struct timeval lasterr; + static int curerr; + if (ppsratecheck(&lasterr, &curerr, 1)) { + printf("Bad mbuf alloc flags: %x\n", flags); + backtrace(); + how = M_TRYWAIT; + } + } +/* #endif */ + m = NULL; if ((persist & MBP_PERSISTENT) != 0) { /* |