Re: Use PROT_NONE for unused virtual stack memory

Jeroen Demeyer on Thu, 19 Jan 2017 13:27:16 +0100

Re: Use PROT_NONE for unused virtual stack memory

To: pari-dev@pari.math.u-bordeaux.fr
Subject: Re: Use PROT_NONE for unused virtual stack memory
From: Jeroen Demeyer <jdemeyer@cage.ugent.be>
Date: Thu, 19 Jan 2017 12:27:09 +0000
Delivery-date: Thu, 19 Jan 2017 13:27:16 +0100
In-reply-to: <20170119115442.GB31619@yellowpig>
References: <57E61E38.6050900@cage.ugent.be> <586E1647.20601@cage.ugent.be> <20170119115442.GB31619@yellowpig>
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On 2017-01-19 11:54, Bill Allombert wrote:

This leads to a change of behaviour. Is it intended ?

Yes, this is due to changes in new_chunk_resize(). Instead ofiteratively doubling, the PARI stack is increased by more than a factor2 if needed.

Follow-Ups:
- Re: Use PROT_NONE for unused virtual stack memory
  - From: Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>

References:
- Re: Use PROT_NONE for unused virtual stack memory
  - From: Jeroen Demeyer <jdemeyer@cage.ugent.be>
- Re: Use PROT_NONE for unused virtual stack memory
  - From: Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>