> On 22 Mar 2018, at 23:54, Andrew Morton <a...@linux-foundation.org> wrote: > > > Please add changelogs. An explanation of what a "limit on memory > region random shift" is would be nice ;) Why does it exist, why are we > doing this, etc. Surely there's something to be said - at present this > is just a lump of random code? > > > Sorry, my bad. The main idea of this limit is to decrease possible memory fragmentation. This is not so big problem on 64bit process, but really big for 32 bit processes since may cause failure memory allocation. To control memory fragmentation and protect 32 bit systems (or architectures) this limit was introduce by this patch. It could be also moved to CONFIG_ as well. _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc
- [RFC PATCH v2 0/2] Randomization of address chosen by mmap. Ilya Smith
- [RFC PATCH v2 1/2] Randomization of address chosen by ... Ilya Smith
- Re: [RFC PATCH v2 1/2] Randomization of address ch... Andrew Morton
- [RFC PATCH v2 2/2] Architecture defined limit on memor... Ilya Smith
- Re: [RFC PATCH v2 2/2] Architecture defined limit ... Andrew Morton
- Re: [RFC PATCH v2 2/2] Architecture defined li... Ilya Smith
- Re: [RFC PATCH v2 0/2] Randomization of address chosen... Andrew Morton
- Re: [RFC PATCH v2 0/2] Randomization of address chosen... Matthew Wilcox
- Re: [RFC PATCH v2 0/2] Randomization of address ch... Ilya Smith
- Re: [RFC PATCH v2 0/2] Randomization of addres... Michal Hocko
- Re: [RFC PATCH v2 0/2] Randomization of ad... Ilya Smith
- Re: [RFC PATCH v2 0/2] Randomization ... Michal Hocko
- Re: [RFC PATCH v2 0/2] Randomizat... Ilya Smith
- Re: [RFC PATCH v2 0/2] Random... Michal Hocko
- Re: [RFC PATCH v2 0/2] Random... Ilya Smith