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| author | cinap_lenrek <cinap_lenrek@felloff.net> | 2017-06-02 17:02:43 +0200 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@felloff.net> | 2017-06-02 17:02:43 +0200 |
| commit | 3d1908d762c6e91e0b6fe2e235e85bdf397d092d (patch) | |
| tree | 40d29e8e282fde69d2ce7049021baf16e081e817 | |
| parent | 04b8539ee29154c7455027c4cae457db79ad8fb7 (diff) | |
| download | plan9front-3d1908d762c6e91e0b6fe2e235e85bdf397d092d.tar.xz | |
kernel: don't preempt pager during fscache reclaim
the fscache image is the main source for pages once
the page freelist got exhausted, so delay scheduling
until they release the fscache lock.
| -rw-r--r-- | sys/src/9/port/proc.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/src/9/port/proc.c b/sys/src/9/port/proc.c index e9a299c20..5a98ac747 100644 --- a/sys/src/9/port/proc.c +++ b/sys/src/9/port/proc.c @@ -141,6 +141,7 @@ sched(void) if(up->state != Moribund) if(up->delaysched < 20 || palloc.Lock.p == up + || fscache.Lock.p == up || procalloc.Lock.p == up){ up->delaysched++; delayedscheds++; |