linux-toradex.git/kernel/sys.c, branch v3.15-rc6

mm, thp: add VM_INIT_DEF_MASK and PRCTL_THP_DISABLE

2014-04-07T23:35:52+00:00

Add VM_INIT_DEF_MASK, to allow us to set the default flags for VMs.  It
also adds a prctl control which allows us to set the THP disable bit in
mm->def_flags so that VMs will pick up the setting as they are created.

Signed-off-by: Alex Thorlton 
Suggested-by: Oleg Nesterov 
Cc: Gerald Schaefer 
Cc: Martin Schwidefsky 
Cc: Heiko Carstens 
Cc: Christian Borntraeger 
Cc: Paolo Bonzini 
Cc: "Kirill A. Shutemov" 
Cc: Mel Gorman 
Acked-by: Rik van Riel 
Cc: Ingo Molnar 
Cc: Peter Zijlstra 
Cc: Andrea Arcangeli 
Cc: Oleg Nesterov 
Cc: "Eric W. Biederman" 
Cc: Alexander Viro 
Cc: Johannes Weiner 
Cc: David Rientjes 
Cc: Paolo Bonzini 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

sys: Replace hardcoding of -20 and 19 with MIN_NICE and MAX_NICE

2014-02-22T17:16:19+00:00

Signed-off-by: Dongsheng Yang 
Signed-off-by: Peter Zijlstra 
Cc: Andrew Morton 
Cc: Oleg Nesterov 
Cc: Robin Holt 
Cc: Al Viro 
Cc: Kees Cook 
Cc: "Eric W. Biederman" 
Cc: Stephen Rothwell 
Link: http://lkml.kernel.org/r/0261f094b836f1acbcdf52e7166487c0c77323c8.1392103744.git.yangds.fnst@cn.fujitsu.com
Signed-off-by: Thomas Gleixner 
Signed-off-by: Ingo Molnar

kernel/sys.c: k_getrusage() can use while_each_thread()

2014-01-24T00:37:02+00:00

Change k_getrusage() to use while_each_thread(), no changes in the
compiled code.

Signed-off-by: Oleg Nesterov 
Cc: KOSAKI Motohiro 
Cc: Al Viro 
Cc: Kees Cook 
Reviewed-by: Sameer Nanda 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

exec: kill task_struct->did_exec

2014-01-24T00:37:02+00:00

We can kill either task->did_exec or PF_FORKNOEXEC, they are mutually
exclusive.  The patch kills ->did_exec because it has a single user.

Signed-off-by: Oleg Nesterov 
Acked-by: KOSAKI Motohiro 
Cc: Al Viro 
Cc: Kees Cook 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

kernel/sys.c: remove obsolete #include

2013-11-13T03:09:13+00:00

Commit 15d94b82565e ("reboot: move shutdown/reboot related functions to
kernel/reboot.c") moved all kexec-related functionality to
kernel/reboot.c, so kernel/sys.c no longer needs to include
.

Signed-off-by: Geert Uytterhoeven 
Cc: Robin Holt 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

userns: Kill nsown_capable it makes the wrong thing easy

2013-08-31T06:44:11+00:00

nsown_capable is a special case of ns_capable essentially for just CAP_SETUID and
CAP_SETGID.  For the existing users it doesn't noticably simplify things and
from the suggested patches I have seen it encourages people to do the wrong
thing.  So remove nsown_capable.

Acked-by: Serge Hallyn 
Signed-off-by: "Eric W. Biederman"

reboot: move shutdown/reboot related functions to kernel/reboot.c

2013-07-09T17:33:29+00:00

This patch is preparatory.  It moves reboot related syscall, etc
functions from kernel/sys.c to kernel/reboot.c.

Signed-off-by: Robin Holt 
Cc: H. Peter Anvin 
Cc: Russ Anderson 
Cc: Robin Holt 
Cc: Russell King 
Cc: Guan Xuetao 
Cc: Ingo Molnar 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

reboot: remove -stable friendly PF_THREAD_BOUND define

2013-07-09T17:33:29+00:00

Remove the prior patch's #define for easier backporting to the stable
releases.

Signed-off-by: Robin Holt 
Cc: H. Peter Anvin 
Cc: Russ Anderson 
Cc: Robin Holt 
Cc: Russell King 
Cc: Guan Xuetao 
Cc: Ingo Molnar 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

exit.c: unexport __set_special_pids()

2013-07-03T23:08:02+00:00

Move __set_special_pids() from exit.c to sys.c close to its single caller
and make it static.

And rename it to set_special_pids(), another helper with this name has
gone away.

Signed-off-by: Oleg Nesterov 
Cc: "Eric W. Biederman" 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

kernel/sys.c:do_sysinfo(): use get_monotonic_boottime()

2013-07-03T23:07:42+00:00

Change do_sysinfo() to use get_monotonic_boottime() instead of
do_posix_clock_monotonic_gettime() + monotonic_to_bootbased().

Signed-off-by: Oleg Nesterov 
Cc: "Eric W. Biederman" 
Acked-by: John Stultz 
Cc: Tomas Janousek 
Cc: Tomas Smetana 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds