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PR/38828 CVS commit: src

The following reply was made to PR kern/38828; it has been noted by GNATS.

From: Mindaugas Rasiukevicius <>
Subject: PR/38828 CVS commit: src
Date: Wed, 21 Oct 2009 21:12:10 +0000

 Module Name:   src
 Committed By:  rmind
 Date:          Wed Oct 21 21:12:07 UTC 2009
 Modified Files:
        src/bin/ps: keyword.c print.c ps.1
        src/external/bsd/top/dist/machine: m_netbsd.c
        src/lib/libkvm: kvm_proc.c
        src/share/man/man9: uvm.9
        src/sys/arch/acorn26/acorn26: pmap.c vm_machdep.c
        src/sys/arch/alpha/alpha: db_trace.c pmap.c vm_machdep.c
        src/sys/arch/amd64/amd64: db_trace.c
        src/sys/arch/amiga/amiga: pmap.c
        src/sys/arch/amiga/include: cpu.h
        src/sys/arch/arc: TODO
        src/sys/arch/arm/arm: db_trace.c syscall.c
        src/sys/arch/arm/arm32: pmap.c vm_machdep.c
        src/sys/arch/atari/atari: pmap.c
        src/sys/arch/atari/include: cpu.h
        src/sys/arch/cesfic/include: cpu.h
        src/sys/arch/evbmips/conf: std.gdium
        src/sys/arch/hp300/include: cpu.h
        src/sys/arch/hppa/hppa: db_trace.c pmap.c vm_machdep.c
        src/sys/arch/i386/i386: db_trace.c process_machdep.c
        src/sys/arch/ia64/ia64: pmap.c vm_machdep.c
        src/sys/arch/luna68k/include: cpu.h
        src/sys/arch/m68k/m68k: db_trace.c pmap_motorola.c
        src/sys/arch/mac68k/include: cpu.h
        src/sys/arch/mips/include: cpu.h types.h
        src/sys/arch/mips/mips: db_trace.c mipsX_subr.S pmap.c vm_machdep.c
        src/sys/arch/mvme68k/include: cpu.h
        src/sys/arch/news68k/include: cpu.h
        src/sys/arch/next68k/include: cpu.h
        src/sys/arch/powerpc/ibm4xx: pmap.c trap.c
        src/sys/arch/powerpc/include: cpu.h
        src/sys/arch/powerpc/include/oea: pmap.h
        src/sys/arch/powerpc/oea: pmap.c
        src/sys/arch/powerpc/powerpc: db_trace.c process_machdep.c
        src/sys/arch/sh3/include: cpu.h pmap.h types.h
        src/sys/arch/sh3/sh3: process_machdep.c
        src/sys/arch/sparc/include: cpu.h pmap.h
        src/sys/arch/sparc/sparc: db_trace.c pmap.c
        src/sys/arch/sparc64/conf: NONPLUS64
        src/sys/arch/sparc64/include: cpu.h
        src/sys/arch/sparc64/sparc64: db_trace.c machdep.c pmap.c
        src/sys/arch/sun2/sun2: pmap.c
        src/sys/arch/sun3/sun3: pmap.c
        src/sys/arch/sun3/sun3x: pmap.c
        src/sys/arch/sun68k/include: cpu.h
        src/sys/arch/usermode/include: cpu.h
        src/sys/arch/usermode/usermode: pmap.c
        src/sys/arch/vax/include: pmap.h
        src/sys/arch/vax/vax: machdep.c pmap.c
        src/sys/arch/x68k/include: cpu.h
        src/sys/arch/x86/x86: pmap.c syscall.c vm_machdep.c
        src/sys/compat/linux/arch/i386: linux_ptrace.c
        src/sys/compat/linux/arch/powerpc: linux_ptrace.c
        src/sys/compat/mach: mach_thread.c
        src/sys/compat/sa: compat_sa.c
        src/sys/conf: std
        src/sys/dev/i2o: iop.c
        src/sys/dev/ic: dpt.c rrunner.c
        src/sys/dev/scsipi: cd.c ch.c if_se.c scsiconf.c scsipi_base.c
            scsipiconf.h sd.c ss_mustek.c ss_scanjet.c st.c st_atapi.c
        src/sys/dev/usb: umass_scsipi.c
        src/sys/kern: core_elf32.c init_sysctl.c kern_condvar.c kern_fork.c
            kern_kthread.c kern_lwp.c kern_proc.c kern_runq.c kern_sleepq.c
            kern_synch.c kern_turnstile.c subr_percpu.c subr_workqueue.c
            sys_aio.c sys_lwp.c sys_process.c sys_select.c
        src/sys/miscfs/genfs: genfs_io.c
        src/sys/miscfs/procfs: procfs_ctl.c procfs_status.c
        src/sys/nfs: nfs_syscalls.c nfs_vnops.c
        src/sys/rump/librump/rumpkern: vm.c
        src/sys/sys: lwp.h sleepq.h syncobj.h vmmeter.h
        src/sys/uvm: files.uvm uvm.h uvm_amap.c uvm_aobj.c uvm_extern.h
            uvm_glue.c uvm_init.c uvm_meter.c uvm_pdaemon.c uvm_pmap.h
            uvm_stat.c uvm_swap.c
        src/usr.bin/systat: pigs.c ps.c systat.1 vmstat.c
        src/usr.bin/vmstat: vmstat.1 vmstat.c
 Log Message:
 Remove uarea swap-out functionality:
 - Addresses the issue described in PR/38828.
 - Some simplification in threading and sleepq subsystems.
 - Eliminates pmap_collect() and, as a side note, allows pmap optimisations.
 - Eliminates XS_CTL_DATA_ONSTACK in scsipi code.
 - Avoids few scans on LWP list and thus potentially long holds of proc_lock.
 - Cuts ~1.5k lines of code.  Reduces amd64 kernel size by ~4k.
 - Removes __SWAP_BROKEN cases.
 Tested on x86, mips, acorn32 (thanks <mpumford>) and partly tested on
 acorn26 (thanks to <bjh21>).
 Discussed on <tech-kern>, reviewed by <ad>.
 To generate a diff of this commit:
 cvs rdiff -u -r1.52 -r1.53 src/bin/ps/keyword.c
 cvs rdiff -u -r1.111 -r1.112 src/bin/ps/print.c
 cvs rdiff -u -r1.89 -r1.90 src/bin/ps/ps.1
 cvs rdiff -u -r1.10 -r1.11 src/external/bsd/top/dist/machine/m_netbsd.c
 cvs rdiff -u -r1.83 -r1.84 src/lib/libkvm/kvm_proc.c
 cvs rdiff -u -r1.98 -r1.99 src/share/man/man9/uvm.9
 cvs rdiff -u -r1.28 -r1.29 src/sys/arch/acorn26/acorn26/pmap.c
 cvs rdiff -u -r1.21 -r1.22 src/sys/arch/acorn26/acorn26/vm_machdep.c
 cvs rdiff -u -r1.24 -r1.25 src/sys/arch/alpha/alpha/db_trace.c
 cvs rdiff -u -r1.243 -r1.244 src/sys/arch/alpha/alpha/pmap.c
 cvs rdiff -u -r1.100 -r1.101 src/sys/arch/alpha/alpha/vm_machdep.c
 cvs rdiff -u -r1.15 -r1.16 src/sys/arch/amd64/amd64/db_trace.c
 cvs rdiff -u -r1.154 -r1.155 src/sys/arch/amiga/amiga/pmap.c
 cvs rdiff -u -r1.72 -r1.73 src/sys/arch/amiga/include/cpu.h
 cvs rdiff -u -r1.27 -r1.28 src/sys/arch/arc/TODO
 cvs rdiff -u -r1.19 -r1.20 src/sys/arch/arm/arm/db_trace.c
 cvs rdiff -u -r1.48 -r1.49 src/sys/arch/arm/arm/syscall.c
 cvs rdiff -u -r1.198 -r1.199 src/sys/arch/arm/arm32/pmap.c
 cvs rdiff -u -r1.49 -r1.50 src/sys/arch/arm/arm32/vm_machdep.c
 cvs rdiff -u -r1.120 -r1.121 src/sys/arch/atari/atari/pmap.c
 cvs rdiff -u -r1.62 -r1.63 src/sys/arch/atari/include/cpu.h
 cvs rdiff -u -r1.22 -r1.23 src/sys/arch/cesfic/include/cpu.h
 cvs rdiff -u -r1.3 -r1.4 src/sys/arch/evbmips/conf/std.gdium
 cvs rdiff -u -r1.60 -r1.61 src/sys/arch/hp300/include/cpu.h
 cvs rdiff -u -r1.3 -r1.4 src/sys/arch/hppa/hppa/db_trace.c
 cvs rdiff -u -r1.52 -r1.53 src/sys/arch/hppa/hppa/pmap.c
 cvs rdiff -u -r1.36 -r1.37 src/sys/arch/hppa/hppa/vm_machdep.c
 cvs rdiff -u -r1.62 -r1.63 src/sys/arch/i386/i386/db_trace.c
 cvs rdiff -u -r1.70 -r1.71 src/sys/arch/i386/i386/process_machdep.c
 cvs rdiff -u -r1.21 -r1.22 src/sys/arch/ia64/ia64/pmap.c
 cvs rdiff -u -r1.6 -r1.7 src/sys/arch/ia64/ia64/vm_machdep.c
 cvs rdiff -u -r1.26 -r1.27 src/sys/arch/luna68k/include/cpu.h
 cvs rdiff -u -r1.53 -r1.54 src/sys/arch/m68k/m68k/db_trace.c
 cvs rdiff -u -r1.47 -r1.48 src/sys/arch/m68k/m68k/pmap_motorola.c
 cvs rdiff -u -r1.92 -r1.93 src/sys/arch/mac68k/include/cpu.h
 cvs rdiff -u -r1.90 -r1.91 src/sys/arch/mips/include/cpu.h
 cvs rdiff -u -r1.43 -r1.44 src/sys/arch/mips/include/types.h
 cvs rdiff -u -r1.35 -r1.36 src/sys/arch/mips/mips/db_trace.c
 cvs rdiff -u -r1.31 -r1.32 src/sys/arch/mips/mips/mipsX_subr.S
 cvs rdiff -u -r1.184 -r1.185 src/sys/arch/mips/mips/pmap.c
 cvs rdiff -u -r1.125 -r1.126 src/sys/arch/mips/mips/vm_machdep.c
 cvs rdiff -u -r1.42 -r1.43 src/sys/arch/mvme68k/include/cpu.h
 cvs rdiff -u -r1.34 -r1.35 src/sys/arch/news68k/include/cpu.h
 cvs rdiff -u -r1.40 -r1.41 src/sys/arch/next68k/include/cpu.h
 cvs rdiff -u -r1.57 -r1.58 src/sys/arch/powerpc/ibm4xx/pmap.c
 cvs rdiff -u -r1.51 -r1.52 src/sys/arch/powerpc/ibm4xx/trap.c
 cvs rdiff -u -r1.65 -r1.66 src/sys/arch/powerpc/include/cpu.h
 cvs rdiff -u -r1.16 -r1.17 src/sys/arch/powerpc/include/oea/pmap.h
 cvs rdiff -u -r1.66 -r1.67 src/sys/arch/powerpc/oea/pmap.c
 cvs rdiff -u -r1.48 -r1.49 src/sys/arch/powerpc/powerpc/db_trace.c
 cvs rdiff -u -r1.26 -r1.27 src/sys/arch/powerpc/powerpc/process_machdep.c
 cvs rdiff -u -r1.53 -r1.54 src/sys/arch/sh3/include/cpu.h
 cvs rdiff -u -r1.33 -r1.34 src/sys/arch/sh3/include/pmap.h
 cvs rdiff -u -r1.27 -r1.28 src/sys/arch/sh3/include/types.h
 cvs rdiff -u -r1.16 -r1.17 src/sys/arch/sh3/sh3/process_machdep.c
 cvs rdiff -u -r1.86 -r1.87 src/sys/arch/sparc/include/cpu.h
 cvs rdiff -u -r1.85 -r1.86 src/sys/arch/sparc/include/pmap.h
 cvs rdiff -u -r1.30 -r1.31 src/sys/arch/sparc/sparc/db_trace.c
 cvs rdiff -u -r1.334 -r1.335 src/sys/arch/sparc/sparc/pmap.c
 cvs rdiff -u -r1.28 -r1.29 src/sys/arch/sparc64/conf/NONPLUS64
 cvs rdiff -u -r1.86 -r1.87 src/sys/arch/sparc64/include/cpu.h
 cvs rdiff -u -r1.41 -r1.42 src/sys/arch/sparc64/sparc64/db_trace.c
 cvs rdiff -u -r1.244 -r1.245 src/sys/arch/sparc64/sparc64/machdep.c
 cvs rdiff -u -r1.238 -r1.239 src/sys/arch/sparc64/sparc64/pmap.c
 cvs rdiff -u -r1.39 -r1.40 src/sys/arch/sun2/sun2/pmap.c
 cvs rdiff -u -r1.160 -r1.161 src/sys/arch/sun3/sun3/pmap.c
 cvs rdiff -u -r1.106 -r1.107 src/sys/arch/sun3/sun3x/pmap.c
 cvs rdiff -u -r1.20 -r1.21 src/sys/arch/sun68k/include/cpu.h
 cvs rdiff -u -r1.2 -r1.3 src/sys/arch/usermode/include/cpu.h
 cvs rdiff -u -r1.3 -r1.4 src/sys/arch/usermode/usermode/pmap.c
 cvs rdiff -u -r1.76 -r1.77 src/sys/arch/vax/include/pmap.h
 cvs rdiff -u -r1.175 -r1.176 src/sys/arch/vax/vax/machdep.c
 cvs rdiff -u -r1.168 -r1.169 src/sys/arch/vax/vax/pmap.c
 cvs rdiff -u -r1.48 -r1.49 src/sys/arch/x68k/include/cpu.h
 cvs rdiff -u -r1.92 -r1.93 src/sys/arch/x86/x86/pmap.c
 cvs rdiff -u -r1.1 -r1.2 src/sys/arch/x86/x86/syscall.c \
 cvs rdiff -u -r1.23 -r1.24 src/sys/compat/linux/arch/i386/linux_ptrace.c
 cvs rdiff -u -r1.21 -r1.22 src/sys/compat/linux/arch/powerpc/linux_ptrace.c
 cvs rdiff -u -r1.48 -r1.49 src/sys/compat/mach/mach_thread.c
 cvs rdiff -u -r1.11 -r1.12 src/sys/compat/sa/compat_sa.c
 cvs rdiff -u -r1.12 -r1.13 src/sys/conf/std
 cvs rdiff -u -r1.76 -r1.77 src/sys/dev/i2o/iop.c
 cvs rdiff -u -r1.62 -r1.63 src/sys/dev/ic/dpt.c
 cvs rdiff -u -r1.71 -r1.72 src/sys/dev/ic/rrunner.c
 cvs rdiff -u -r1.294 -r1.295 src/sys/dev/scsipi/cd.c
 cvs rdiff -u -r1.84 -r1.85 src/sys/dev/scsipi/ch.c
 cvs rdiff -u -r1.78 -r1.79 src/sys/dev/scsipi/if_se.c
 cvs rdiff -u -r1.253 -r1.254 src/sys/dev/scsipi/scsiconf.c
 cvs rdiff -u -r1.149 -r1.150 src/sys/dev/scsipi/scsipi_base.c
 cvs rdiff -u -r1.115 -r1.116 src/sys/dev/scsipi/scsipiconf.h
 cvs rdiff -u -r1.289 -r1.290 src/sys/dev/scsipi/sd.c
 cvs rdiff -u -r1.38 -r1.39 src/sys/dev/scsipi/ss_mustek.c
 cvs rdiff -u -r1.49 -r1.50 src/sys/dev/scsipi/ss_scanjet.c
 cvs rdiff -u -r1.212 -r1.213 src/sys/dev/scsipi/st.c
 cvs rdiff -u -r1.24 -r1.25 src/sys/dev/scsipi/st_atapi.c
 cvs rdiff -u -r1.30 -r1.31 src/sys/dev/scsipi/st_scsi.c
 cvs rdiff -u -r1.34 -r1.35 src/sys/dev/usb/umass_scsipi.c
 cvs rdiff -u -r1.33 -r1.34 src/sys/kern/core_elf32.c
 cvs rdiff -u -r1.167 -r1.168 src/sys/kern/init_sysctl.c
 cvs rdiff -u -r1.26 -r1.27 src/sys/kern/kern_condvar.c \
     src/sys/kern/kern_kthread.c src/sys/kern/kern_runq.c
 cvs rdiff -u -r1.173 -r1.174 src/sys/kern/kern_fork.c
 cvs rdiff -u -r1.133 -r1.134 src/sys/kern/kern_lwp.c
 cvs rdiff -u -r1.154 -r1.155 src/sys/kern/kern_proc.c
 cvs rdiff -u -r1.36 -r1.37 src/sys/kern/kern_sleepq.c
 cvs rdiff -u -r1.270 -r1.271 src/sys/kern/kern_synch.c
 cvs rdiff -u -r1.25 -r1.26 src/sys/kern/kern_turnstile.c
 cvs rdiff -u -r1.9 -r1.10 src/sys/kern/subr_percpu.c
 cvs rdiff -u -r1.28 -r1.29 src/sys/kern/subr_workqueue.c \
 cvs rdiff -u -r1.45 -r1.46 src/sys/kern/sys_lwp.c
 cvs rdiff -u -r1.150 -r1.151 src/sys/kern/sys_process.c
 cvs rdiff -u -r1.15 -r1.16 src/sys/kern/sys_select.c
 cvs rdiff -u -r1.20 -r1.21 src/sys/miscfs/genfs/genfs_io.c
 cvs rdiff -u -r1.46 -r1.47 src/sys/miscfs/procfs/procfs_ctl.c
 cvs rdiff -u -r1.35 -r1.36 src/sys/miscfs/procfs/procfs_status.c
 cvs rdiff -u -r1.150 -r1.151 src/sys/nfs/nfs_syscalls.c
 cvs rdiff -u -r1.280 -r1.281 src/sys/nfs/nfs_vnops.c
 cvs rdiff -u -r1.63 -r1.64 src/sys/rump/librump/rumpkern/vm.c
 cvs rdiff -u -r1.120 -r1.121 src/sys/sys/lwp.h
 cvs rdiff -u -r1.16 -r1.17 src/sys/sys/sleepq.h
 cvs rdiff -u -r1.7 -r1.8 src/sys/sys/syncobj.h
 cvs rdiff -u -r1.18 -r1.19 src/sys/sys/vmmeter.h
 cvs rdiff -u -r1.15 -r1.16 src/sys/uvm/files.uvm
 cvs rdiff -u -r1.56 -r1.57 src/sys/uvm/uvm.h
 cvs rdiff -u -r1.87 -r1.88 src/sys/uvm/uvm_amap.c
 cvs rdiff -u -r1.107 -r1.108 src/sys/uvm/uvm_aobj.c
 cvs rdiff -u -r1.159 -r1.160 src/sys/uvm/uvm_extern.h
 cvs rdiff -u -r1.140 -r1.141 src/sys/uvm/uvm_glue.c
 cvs rdiff -u -r1.35 -r1.36 src/sys/uvm/uvm_init.c
 cvs rdiff -u -r1.49 -r1.50 src/sys/uvm/uvm_meter.c
 cvs rdiff -u -r1.99 -r1.100 src/sys/uvm/uvm_pdaemon.c
 cvs rdiff -u -r1.30 -r1.31 src/sys/uvm/uvm_pmap.h
 cvs rdiff -u -r1.31 -r1.32 src/sys/uvm/uvm_stat.c
 cvs rdiff -u -r1.146 -r1.147 src/sys/uvm/uvm_swap.c
 cvs rdiff -u -r1.30 -r1.31 src/usr.bin/systat/pigs.c
 cvs rdiff -u -r1.33 -r1.34 src/usr.bin/systat/ps.c
 cvs rdiff -u -r1.38 -r1.39 src/usr.bin/systat/systat.1
 cvs rdiff -u -r1.74 -r1.75 src/usr.bin/systat/vmstat.c
 cvs rdiff -u -r1.18 -r1.19 src/usr.bin/vmstat/vmstat.1
 cvs rdiff -u -r1.165 -r1.166 src/usr.bin/vmstat/vmstat.c
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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