diff options
Diffstat (limited to 'sys/vm/vm_pageout.c')
| -rw-r--r-- | sys/vm/vm_pageout.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/sys/vm/vm_pageout.c b/sys/vm/vm_pageout.c index 899d35cd43b6..36d5f3275800 100644 --- a/sys/vm/vm_pageout.c +++ b/sys/vm/vm_pageout.c @@ -1902,6 +1902,7 @@ static struct mtx vm_oom_ratelim_mtx; void vm_pageout_oom(int shortage) { + const char *reason; struct proc *p, *bigproc; vm_offset_t size, bigsize; struct thread *td; @@ -2014,11 +2015,25 @@ vm_pageout_oom(int shortage) } } sx_sunlock(&allproc_lock); + if (bigproc != NULL) { + switch (shortage) { + case VM_OOM_MEM: + reason = "failed to reclaim memory"; + break; + case VM_OOM_MEM_PF: + reason = "a thread waited too long to allocate a page"; + break; + case VM_OOM_SWAPZ: + reason = "out of swap space"; + break; + default: + panic("unknown OOM reason %d", shortage); + } if (vm_panic_on_oom != 0 && --vm_panic_on_oom == 0) - panic("out of swap space"); + panic("%s", reason); PROC_LOCK(bigproc); - killproc(bigproc, "out of swap space"); + killproc(bigproc, reason); sched_nice(bigproc, PRIO_MIN); _PRELE(bigproc); PROC_UNLOCK(bigproc); |