|author||Konstantin Belousov <kib@FreeBSD.org>||2019-08-16 09:43:49 +0000|
|committer||Konstantin Belousov <kib@FreeBSD.org>||2019-08-16 09:43:49 +0000|
Fix OOM handling of some corner cases.
In addition to pagedaemon initiating OOM, also do it from the vm_fault() internals. Namely, if the thread waits for a free page to satisfy page fault some preconfigured amount of time, trigger OOM. These triggers are rate-limited, due to a usual case of several threads of the same multi-threaded process to enter fault handler simultaneously. The faults from pagedaemon threads participate in the calculation of OOM rate, but are not under the limit. Reviewed by: markj (previous version) Tested by: pho Discussed with: alc Sponsored by: The FreeBSD Foundation MFC after: 2 weeks Differential revision: https://reviews.freebsd.org/D13671
Notes: svn path=/head/; revision=351114
Diffstat (limited to 'cddl')
0 files changed, 0 insertions, 0 deletions