Date: Thu, 17 Jun 2010 19:25:05 +0000 (UTC) From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r209265 - in stable/8/sys: cddl/contrib/opensolaris/uts/common/fs/zfs kern Message-ID: <201006171925.o5HJP5vK025953@svn.freebsd.org>
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Author: pjd Date: Thu Jun 17 19:25:05 2010 New Revision: 209265 URL: http://svn.freebsd.org/changeset/base/209265 Log: MFC r209260,r209261: r209260: Backout r207970 for now, it can lead to deadlocks. Reported by: kan r209261: Turn off UMA allocations on all archs by default. It isn't stable even on amd64. Reported by: many Modified: stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c stable/8/sys/kern/vfs_subr.c Directory Properties: stable/8/sys/ (props changed) stable/8/sys/amd64/include/xen/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) stable/8/sys/contrib/dev/acpica/ (props changed) stable/8/sys/contrib/pf/ (props changed) stable/8/sys/dev/xen/xenpci/ (props changed) stable/8/sys/geom/sched/ (props changed) Modified: stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c ============================================================================== --- stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c Thu Jun 17 19:17:50 2010 (r209264) +++ stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c Thu Jun 17 19:25:05 2010 (r209265) @@ -33,13 +33,9 @@ #include <sys/zio_compress.h> #include <sys/zio_checksum.h> -#if defined(__amd64__) -static int zio_use_uma = 1; -#else -static int zio_use_uma = 0; -#endif SYSCTL_DECL(_vfs_zfs); SYSCTL_NODE(_vfs_zfs, OID_AUTO, zio, CTLFLAG_RW, 0, "ZFS ZIO"); +static int zio_use_uma = 0; TUNABLE_INT("vfs.zfs.zio.use_uma", &zio_use_uma); SYSCTL_INT(_vfs_zfs_zio, OID_AUTO, use_uma, CTLFLAG_RDTUN, &zio_use_uma, 0, "Use uma(9) for ZIO allocations"); Modified: stable/8/sys/kern/vfs_subr.c ============================================================================== --- stable/8/sys/kern/vfs_subr.c Thu Jun 17 19:17:50 2010 (r209264) +++ stable/8/sys/kern/vfs_subr.c Thu Jun 17 19:25:05 2010 (r209265) @@ -822,19 +822,6 @@ static struct kproc_desc vnlru_kp = { SYSINIT(vnlru, SI_SUB_KTHREAD_UPDATE, SI_ORDER_FIRST, kproc_start, &vnlru_kp); -static void -vfs_lowmem(void *arg __unused) -{ - - /* - * On low memory condition free 1/8th of the free vnodes. - */ - mtx_lock(&vnode_free_list_mtx); - vnlru_free(freevnodes / 8); - mtx_unlock(&vnode_free_list_mtx); -} -EVENTHANDLER_DEFINE(vm_lowmem, vfs_lowmem, NULL, 0); - /* * Routines having to do with the management of the vnode table. */
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