Date: Fri, 13 Oct 2017 16:23:05 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r324600 - head/sys/vm Message-ID: <201710131623.v9DGN5gr085448@repo.freebsd.org>
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Author: kib Date: Fri Oct 13 16:23:05 2017 New Revision: 324600 URL: https://svnweb.freebsd.org/changeset/base/324600 Log: Evaluate the real size of the sblk_zone. Submitted by: ota@j.email.ne.jp PR: 221356 Reviewed by: alc, markj MFC after: 1 week Differential revision: https://reviews.freebsd.org/D12660 Modified: head/sys/vm/swap_pager.c Modified: head/sys/vm/swap_pager.c ============================================================================== --- head/sys/vm/swap_pager.c Fri Oct 13 15:16:57 2017 (r324599) +++ head/sys/vm/swap_pager.c Fri Oct 13 16:23:05 2017 (r324600) @@ -541,6 +541,14 @@ swap_pager_swap_init(void) */ n -= ((n + 2) / 3); } while (n > 0); + + /* + * Often uma_zone_reserve_kva() cannot reserve exactly the + * requested size. Account for the difference when + * calculating swap_maxpages. + */ + n = uma_zone_get_max(swblk_zone); + if (n2 != n) printf("Swap blk zone entries reduced from %lu to %lu.\n", n2, n);
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