diff options
author | Claudio Jeker <claudio@cvs.openbsd.org> | 2023-12-05 15:50:46 +0000 |
---|---|---|
committer | Claudio Jeker <claudio@cvs.openbsd.org> | 2023-12-05 15:50:46 +0000 |
commit | d2cb1ec7d52296a183be036f327e618014f7d54c (patch) | |
tree | 9b9e28b34c878a20152d9c3a6da37a61a23a7568 /sys | |
parent | 79736608a5b930f9b190de0f371f9a60e325a7f0 (diff) |
Cast uvmexp.swpages to long before multiplying by 99 to avoid integer
overflows on systems with big swap partitions.
OK kettenis@ miod@
Diffstat (limited to 'sys')
-rw-r--r-- | sys/uvm/uvm_swap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/uvm/uvm_swap.c b/sys/uvm/uvm_swap.c index 1818cc06384..02fe95fbb6b 100644 --- a/sys/uvm/uvm_swap.c +++ b/sys/uvm/uvm_swap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uvm_swap.c,v 1.167 2023/10/27 19:18:53 mpi Exp $ */ +/* $OpenBSD: uvm_swap.c,v 1.168 2023/12/05 15:50:45 claudio Exp $ */ /* $NetBSD: uvm_swap.c,v 1.40 2000/11/17 11:39:39 mrg Exp $ */ /* @@ -1548,7 +1548,7 @@ uvm_swapisfull(void) mtx_enter(&uvm_swap_data_lock); KASSERT(uvmexp.swpgonly <= uvmexp.swpages); - result = (uvmexp.swpgonly >= (uvmexp.swpages * 99 / 100)); + result = (uvmexp.swpgonly >= ((long)uvmexp.swpages * 99 / 100)); mtx_leave(&uvm_swap_data_lock); return result; |