Date: Thu, 6 Jun 2019 16:26:58 +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: r348747 - head/sys/vm Message-ID: <201906061626.x56GQwR9076792@repo.freebsd.org>
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Author: markj Date: Thu Jun 6 16:26:58 2019 New Revision: 348747 URL: https://svnweb.freebsd.org/changeset/base/348747 Log: Add sysctls for uma_kmem_{limit,total}. 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 16:23:44 2019 (r348746) +++ head/sys/vm/uma_core.c Thu Jun 6 16:26:58 2019 (r348747) @@ -144,9 +144,16 @@ static int boot_pages; static struct sx uma_drain_lock; -/* kmem soft limit. */ +/* + * kmem soft limit, initialized by uma_set_limit(). Ensure that early + * allocations don't trigger a wakeup of the reclaim thread. + */ static unsigned long uma_kmem_limit = LONG_MAX; +SYSCTL_ULONG(_vm, OID_AUTO, uma_kmem_limit, CTLFLAG_RD, &uma_kmem_limit, 0, + "UMA kernel memory soft limit"); static unsigned long uma_kmem_total; +SYSCTL_ULONG(_vm, OID_AUTO, uma_kmem_total, CTLFLAG_RD, &uma_kmem_total, 0, + "UMA kernel memory usage"); /* Is the VM done starting up? */ static enum { BOOT_COLD = 0, BOOT_STRAPPED, BOOT_PAGEALLOC, BOOT_BUCKETS,
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