Kernel panic http://pkgupdate.nevosoft.ru/core.txt.0 http://pkgupdate.nevosoft.ru/vmcore.0 http://pkgupdate.nevosoft.ru/kernel http://pkgupdate.nevosoft.ru/kernel.symbols
В Thu, 21 Mar 2013 07:28:15 +0000 (UTC) Konstantin Belousov <k...@freebsd.org> пишет: > Author: kib > Date: Thu Mar 21 07:28:15 2013 > New Revision: 248569 > URL: http://svnweb.freebsd.org/changeset/base/248569 > > Log: > Only size and create the bio_transient_map when unmapped buffers are > enabled. Now, disabling the unmapped buffers should result in the > kernel memory map identical to pre-r248550. > > Sponsored by: The FreeBSD Foundation > > Modified: > head/sys/kern/vfs_bio.c > head/sys/vm/vm_init.c > > Modified: head/sys/kern/vfs_bio.c > ============================================================================== > --- head/sys/kern/vfs_bio.c Thu Mar 21 07:26:33 2013 > (r248568) +++ head/sys/kern/vfs_bio.c Thu Mar 21 07:28:15 > 2013 (r248569) @@ -586,7 +586,7 @@ > kern_vfs_bio_buffer_alloc(caddr_t v, lon > * allows to not trim the buffer KVA for the architectures > * with ample KVA space. > */ > - if (bio_transient_maxcnt == 0) { > + if (bio_transient_maxcnt == 0 && unmapped_buf_allowed) { > maxbuf_sz = maxbcache != 0 ? maxbcache : maxbuf * > BKVASIZE; buf_sz = (long)nbuf * BKVASIZE; > if (buf_sz < maxbuf_sz / 10 * 9) { > > Modified: head/sys/vm/vm_init.c > ============================================================================== > --- head/sys/vm/vm_init.c Thu Mar 21 07:26:33 2013 > (r248568) +++ head/sys/vm/vm_init.c Thu Mar 21 07:28:15 > 2013 (r248569) @@ -189,10 +189,12 @@ again: > buffer_map = kmem_suballoc(clean_map, &kmi->buffer_sva, > &kmi->buffer_eva, (long)nbuf * BKVASIZE, FALSE); > buffer_map->system_map = 1; > - bio_transient_map = kmem_suballoc(clean_map, > &kmi->bio_transient_sva, > - &kmi->bio_transient_eva, (long)bio_transient_maxcnt * > MAXPHYS, > - FALSE); > - bio_transient_map->system_map = 1; > + if (bio_transient_maxcnt != 0) { > + bio_transient_map = kmem_suballoc(clean_map, > + &kmi->bio_transient_sva, &kmi->bio_transient_eva, > + (long)bio_transient_maxcnt * MAXPHYS, FALSE); > + bio_transient_map->system_map = 1; > + } > pager_map = kmem_suballoc(clean_map, &kmi->pager_sva, > &kmi->pager_eva, (long)nswbuf * MAXPHYS, FALSE); > pager_map->system_map = 1; _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
