Re: [tip:sched/core] sched: Turn off child_runs_first

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 09/09/2009 12:08 PM, Ingo Molnar wrote:
> 
> * Theodore Tso <tytso@xxxxxxx> wrote:

>> Wasn't one of the reasons why we historically did child_runs_first 
>> was so that for fork/exit workloads, the child has a chance to 
>> exec the new process?  If the parent runs first, then more pages 
>> will probably need to be COW'ed.
> 
> That kind of workload should be using vfork() anyway, and be even 
> faster because it can avoid the fork overhead, right?

According to my man page, POSIX.1-2008 removes the specification  of
vfork().

Chris
--
To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Stable Commits]     [Linux Stable Kernel]     [Linux Kernel]     [Linux USB Devel]     [Linux Video &Media]     [Linux Audio Users]     [Yosemite News]     [Linux SCSI]

  Powered by Linux