Re: aio: questions with ioctx_alloc() and large num_possible_cpus()

From	Benjamin LaHaise <bcrl@kvack.org>
Newsgroups	linux.kernel
Subject	Re: aio: questions with ioctx_alloc() and large num_possible_cpus()
Date	2016-10-05 20:10 +0200
Message-ID	<soYE1-4tz-5@gated-at.bofh.it> (permalink)
References	<soGQN-xH-13@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Tue, Oct 04, 2016 at 07:55:12PM -0300, Mauricio Faria de Oliveira wrote:
> Hi Benjamin, Kent, and others,
> 
> Would you please comment / answer about this possible problem?
> Any feedback is appreciated.

I'd suggest increasing the default limit by changing how it is calculated.  
The current number came about 13 years ago when machines had orders of 
magnitude less RAM than they do today.  

		-ben
-- 
"Thought is the essence of where you are now."

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aio: questions with ioctx_alloc() and large num_possible_cpus() Mauricio Faria de Oliveira <mauricfo@linux.vnet.ibm.com> - 2016-10-05 01:00 +0200
  Re: aio: questions with ioctx_alloc() and large num_possible_cpus() Kent Overstreet <kent.overstreet@gmail.com> - 2016-10-05 08:40 +0200
    Re: aio: questions with ioctx_alloc() and large num_possible_cpus() Mauricio Faria de Oliveira <mauricfo@linux.vnet.ibm.com> - 2016-10-05 19:30 +0200
  Re: aio: questions with ioctx_alloc() and large num_possible_cpus() Mauricio Faria de Oliveira <mauricfo@linux.vnet.ibm.com> - 2016-10-05 20:00 +0200
    Re: aio: questions with ioctx_alloc() and large num_possible_cpus() Benjamin LaHaise <bcrl@kvack.org> - 2016-10-05 20:20 +0200
      Re: aio: questions with ioctx_alloc() and large num_possible_cpus() Mauricio Faria de Oliveira <mauricfo@linux.vnet.ibm.com> - 2016-10-05 21:30 +0200
  Re: aio: questions with ioctx_alloc() and large num_possible_cpus() Benjamin LaHaise <bcrl@kvack.org> - 2016-10-05 20:10 +0200

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