Date: Sun, 7 Jul 2019 18:39:33 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r349820 - stable/12/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys Message-ID: <201907071839.x67IdXUP069932@repo.freebsd.org>
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Author: mav Date: Sun Jul 7 18:39:32 2019 New Revision: 349820 URL: https://svnweb.freebsd.org/changeset/base/349820 Log: MFC r349035: Properly align struct multilist_sublist to cache line. Manual Illumos alignment does not fit us due to different kmutex_t size. Modified: stable/12/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/multilist.h Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/multilist.h ============================================================================== --- stable/12/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/multilist.h Sun Jul 7 18:38:40 2019 (r349819) +++ stable/12/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/multilist.h Sun Jul 7 18:39:32 2019 (r349820) @@ -44,11 +44,10 @@ struct multilist_sublist { */ list_t mls_list; /* - * Pad to cache line (64 bytes), in an effort to try and prevent - * cache line contention. + * Pad to cache line, in an effort to try and prevent cache line + * contention. */ - uint8_t mls_pad[24]; -}; +} __aligned(CACHE_LINE_SIZE); struct multilist { /*
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