diff options
Diffstat (limited to 'sys/vm/memguard.c')
| -rw-r--r-- | sys/vm/memguard.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/vm/memguard.c b/sys/vm/memguard.c index 3cf935c..c77f27d 100644 --- a/sys/vm/memguard.c +++ b/sys/vm/memguard.c @@ -184,9 +184,10 @@ memguard_fudge(unsigned long km_size, unsigned long km_max) memguard_mapsize = km_max / vm_memguard_divisor; /* size must be multiple of PAGE_SIZE */ memguard_mapsize = round_page(memguard_mapsize); - if (memguard_mapsize / (2 * PAGE_SIZE) > mem_pgs) + if (memguard_mapsize == 0 || + memguard_mapsize / (2 * PAGE_SIZE) > mem_pgs) memguard_mapsize = mem_pgs * 2 * PAGE_SIZE; - if (km_size + memguard_mapsize > km_max) + if (km_max > 0 && km_size + memguard_mapsize > km_max) return (km_max); return (km_size + memguard_mapsize); } |
