openbsd/src
1
0
Fork 0
mirror of https://github.com/openbsd/src.git synced 2026-04-25 06:35:46 +00:00
Code Issues Projects Releases Wiki Activity

Make async IOs daemon aware of pmemrange's OOM mechanism.

Browse Source 
Fix a missing wakeup.

reported and tested by miod@, ok kettenis@
This commit is contained in:
mpi
2025-10-05 14:13:22 +00:00
parent aa62f3c3ef
commit f5a48fab36
1 changed files with 6 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
sys/uvm/uvm_pdaemon.c
View File

@@ -1,4 +1,4 @@
/* $OpenBSD: uvm_pdaemon.c,v 1.137 2025/06/02 18:49:04 claudio Exp $ */
/* $OpenBSD: uvm_pdaemon.c,v 1.138 2025/10/05 14:13:22 mpi Exp $ */
/* $NetBSD: uvm_pdaemon.c,v 1.23 2000/08/20 10:24:14 bjh21 Exp $ */
/*
@@ -377,8 +377,11 @@ uvm_aiodone_daemon(void *arg)
uvm_lock_fpageq();
atomic_sub_int(&uvmexp.paging, npages);
wakeup(uvmexp.free <= uvmexp.reserve_kernel ? &uvm.pagedaemon :
&uvmexp.free);
if (uvmexp.free <= uvmexp.reserve_kernel ||
!TAILQ_EMPTY(&uvm.pmr_control.allocs))
wakeup(&uvm.pagedaemon);
else
wakeup(&uvmexp.free);
uvm_unlock_fpageq();
}
}