Date: Thu, 6 Jun 2019 16:23:44 +0000 (UTC) From: Mark Johnston <markj@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r348746 - head/sys/vm Message-ID: <201906061623.x56GNiKS076621@repo.freebsd.org>
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Author: markj Date: Thu Jun 6 16:23:44 2019 New Revision: 348746 URL: https://svnweb.freebsd.org/changeset/base/348746 Log: Remove the volatile qualifer from uma_kmem_total. No functional change intended. Reviewed by: alc, dougm, kib MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D20514 Modified: head/sys/vm/uma_core.c Modified: head/sys/vm/uma_core.c ============================================================================== --- head/sys/vm/uma_core.c Thu Jun 6 16:22:29 2019 (r348745) +++ head/sys/vm/uma_core.c Thu Jun 6 16:23:44 2019 (r348746) @@ -146,7 +146,7 @@ static struct sx uma_drain_lock; /* kmem soft limit. */ static unsigned long uma_kmem_limit = LONG_MAX; -static volatile unsigned long uma_kmem_total; +static unsigned long uma_kmem_total; /* Is the VM done starting up? */ static enum { BOOT_COLD = 0, BOOT_STRAPPED, BOOT_PAGEALLOC, BOOT_BUCKETS, @@ -3737,14 +3737,14 @@ unsigned long uma_size(void) { - return (uma_kmem_total); + return (atomic_load_long(&uma_kmem_total)); } long uma_avail(void) { - return (uma_kmem_limit - uma_kmem_total); + return (uma_kmem_limit - uma_size()); } void
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