Re: [PATCH] ksm: Expose configuration via sysctl

2014-02-26 Thread Alexander Graf
Sven-Haegar Koch wrote: > On Tue, 25 Feb 2014, Dave Hansen wrote: > > >> On 02/25/2014 03:09 PM, Alexander Graf wrote: >> Couldn't we also (maybe in parallel) just teach the sysctl userspace about sysfs? This way we don't have to do parallel sysctls and sysfs for *EVERYTHING

Re: [PATCH] ksm: Expose configuration via sysctl

2014-02-26 Thread Sven-Haegar Koch
On Tue, 25 Feb 2014, Dave Hansen wrote: > On 02/25/2014 03:09 PM, Alexander Graf wrote: > >> Couldn't we also (maybe in parallel) just teach the sysctl userspace > >> about sysfs? This way we don't have to do parallel sysctls and sysfs > >> for *EVERYTHING* in the kernel: > >> > >>sysfs.kerne

Re: [PATCH] ksm: Expose configuration via sysctl

2014-02-26 Thread Alexander Graf
> Am 26.02.2014 um 09:05 schrieb Hugh Dickins : > >> On Tue, 25 Feb 2014, Johannes Weiner wrote: >>> On Tue, Feb 25, 2014 at 12:28:04AM +0100, Alexander Graf wrote: >>> Configuration of tunables and Linux virtual memory settings has >>> traditionally >>> happened via sysctl. Thanks to that ther

Re: [PATCH] ksm: Expose configuration via sysctl

2014-02-25 Thread Hugh Dickins
On Tue, 25 Feb 2014, Johannes Weiner wrote: > On Tue, Feb 25, 2014 at 12:28:04AM +0100, Alexander Graf wrote: > > Configuration of tunables and Linux virtual memory settings has > > traditionally > > happened via sysctl. Thanks to that there are well established ways to make > > sysctl configurati

Re: [PATCH] ksm: Expose configuration via sysctl

2014-02-25 Thread Dave Hansen
On 02/25/2014 03:09 PM, Alexander Graf wrote: >> Couldn't we also (maybe in parallel) just teach the sysctl userspace >> about sysfs? This way we don't have to do parallel sysctls and sysfs >> for *EVERYTHING* in the kernel: >> >>sysfs.kernel.mm.transparent_hugepage.enabled=enabled > > It's p

Re: [PATCH] ksm: Expose configuration via sysctl

2014-02-25 Thread Kay Sievers
On Tue, Feb 25, 2014 at 6:34 PM, Dave Hansen wrote: > On 02/24/2014 03:28 PM, Alexander Graf wrote: >> Configuration of tunables and Linux virtual memory settings has traditionally >> happened via sysctl. Thanks to that there are well established ways to make >> sysctl configuration bits persisten

Re: [PATCH] ksm: Expose configuration via sysctl

2014-02-25 Thread Kay Sievers
On Wed, Feb 26, 2014 at 12:16 AM, Alexander Graf wrote: > > >>> Am 26.02.2014 um 01:19 schrieb Peter Zijlstra : >>> On Tue, Feb 25, 2014 at 12:15:28PM -0500, Johannes Weiner wrote: On Tue, Feb 25, 2014 at 12:28:04AM +0100, Alexander Graf wrote: Configuration of tunables and Linux vi

Re: [PATCH] ksm: Expose configuration via sysctl

2014-02-25 Thread Alexander Graf
>> Am 26.02.2014 um 01:19 schrieb Peter Zijlstra : >> >>> On Tue, Feb 25, 2014 at 12:15:28PM -0500, Johannes Weiner wrote: >>> On Tue, Feb 25, 2014 at 12:28:04AM +0100, Alexander Graf wrote: >>> Configuration of tunables and Linux virtual memory settings has >>> traditionally >>> happened via s

Re: [PATCH] ksm: Expose configuration via sysctl

2014-02-25 Thread Alexander Graf
> Am 26.02.2014 um 01:34 schrieb Dave Hansen : > >> On 02/24/2014 03:28 PM, Alexander Graf wrote: >> Configuration of tunables and Linux virtual memory settings has traditionally >> happened via sysctl. Thanks to that there are well established ways to make >> sysctl configuration bits persisten

Re: [PATCH] ksm: Expose configuration via sysctl

2014-02-25 Thread Dave Hansen
On 02/24/2014 03:28 PM, Alexander Graf wrote: > Configuration of tunables and Linux virtual memory settings has traditionally > happened via sysctl. Thanks to that there are well established ways to make > sysctl configuration bits persistent (sysctl.conf). > > KSM introduced a sysfs based configu

Re: [PATCH] ksm: Expose configuration via sysctl

2014-02-25 Thread Peter Zijlstra
On Tue, Feb 25, 2014 at 12:15:28PM -0500, Johannes Weiner wrote: > On Tue, Feb 25, 2014 at 12:28:04AM +0100, Alexander Graf wrote: > > Configuration of tunables and Linux virtual memory settings has > > traditionally > > happened via sysctl. Thanks to that there are well established ways to make >

Re: [PATCH] ksm: Expose configuration via sysctl

2014-02-25 Thread Johannes Weiner
On Tue, Feb 25, 2014 at 12:28:04AM +0100, Alexander Graf wrote: > Configuration of tunables and Linux virtual memory settings has traditionally > happened via sysctl. Thanks to that there are well established ways to make > sysctl configuration bits persistent (sysctl.conf). > > KSM introduced a s

Re: [PATCH] ksm: Expose configuration via sysctl

2014-02-25 Thread Rik van Riel
On 02/24/2014 06:28 PM, Alexander Graf wrote: > Configuration of tunables and Linux virtual memory settings has traditionally > happened via sysctl. Thanks to that there are well established ways to make > sysctl configuration bits persistent (sysctl.conf). > > KSM introduced a sysfs based configu