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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-11-21 14:56:59 +0100 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-10-20 14:59:54 +0200 |
| commit | be708ff182fdc0eea140d6892f0a714fe6faf00a (patch) | |
| tree | f6c91c217a02c3b173c63ab29940e62c3c4d1242 | |
| parent | ZONE(9): Fix uma_zone_set_max() (diff) | |
| download | rtems-libbsd-be708ff182fdc0eea140d6892f0a714fe6faf00a.tar.bz2 | |
ZONE(9): Reduce BUCKET_MAX to 128
Reduces the worst-case per-processor caches.
| -rw-r--r-- | freebsd/sys/vm/uma_core.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/freebsd/sys/vm/uma_core.c b/freebsd/sys/vm/uma_core.c index 840c8766..7bfba2b2 100644 --- a/freebsd/sys/vm/uma_core.c +++ b/freebsd/sys/vm/uma_core.c @@ -226,7 +226,11 @@ struct uma_bucket_zone { #define BUCKET_SIZE(n) \ (((sizeof(void *) * (n)) - sizeof(struct uma_bucket)) / sizeof(void *)) +#ifndef __rtems__ #define BUCKET_MAX BUCKET_SIZE(256) +#else /* __rtems__ */ +#define BUCKET_MAX BUCKET_SIZE(128) +#endif /* __rtems__ */ struct uma_bucket_zone bucket_zones[] = { { NULL, "4 Bucket", BUCKET_SIZE(4), 4096 }, @@ -237,7 +241,9 @@ struct uma_bucket_zone bucket_zones[] = { { NULL, "32 Bucket", BUCKET_SIZE(32), 512 }, { NULL, "64 Bucket", BUCKET_SIZE(64), 256 }, { NULL, "128 Bucket", BUCKET_SIZE(128), 128 }, +#ifndef __rtems__ { NULL, "256 Bucket", BUCKET_SIZE(256), 64 }, +#endif /* __rtems__ */ { NULL, NULL, 0} }; @@ -733,6 +739,7 @@ cache_drain(uma_zone_t zone) ZONE_UNLOCK(zone); } +#ifndef __rtems__ static void cache_shrink(uma_zone_t zone) { @@ -782,7 +789,6 @@ cache_drain_safe_cpu(uma_zone_t zone) bucket_free(zone, b2, NULL); } -#ifndef __rtems__ /* * Safely drain per-CPU caches of a zone(s) to alloc bucket. * This is an expensive call because it needs to bind to all CPUs |