Re: [PATCH] mm: vmpressure: make vmpressure_window a tunable.

On Wed, Feb 3, 2016 at 5:19 PM, Johannes Weiner wrote: > > If the machine is just cleaning up use-once cache, frequent events > make no sense. And if the machine is struggling, the notifications > better be in time. > > That's hardly a tunable. It's a factor that needs

[PATCH v6 00/23] powerpc/8xx: Use large pages for RAM and IMMR and other improvments

The main purpose of this patchset is to dramatically reduce the time spent in DTLB miss handler. This is achieved by: 1/ Mapping RAM with 8M pages 2/ Mapping IMMR with a fixed 512K page On a live running system (VoIP gateway for Air Trafic Control), over a 10 minutes period (with 277s idle), we

[PATCH v6 03/23] powerpc: Update documentation for noltlbs kernel parameter

Now the noltlbs kernel parameter is also applicable to PPC8xx Signed-off-by: Christophe Leroy --- v2: no change v3: no change v4: no change v5: no change v6: no change Documentation/kernel-parameters.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git

Re: module: s390: keep mod_arch_specific for livepatch modules

On Wed, Feb 03, 2016 at 08:37:52PM -0500, Jessica Yu wrote: > +++ Jessica Yu [03/02/16 20:11 -0500]: > >Livepatch needs to utilize the symbol information contained in the > >mod_arch_specific struct in order to be able to call the s390 > >apply_relocate_add() function to apply relocations. Keep a

Re: [PATCH V2 2/6] stm class: adds a loop to extract the first valid STM device name

On Fri, Feb 5, 2016 at 1:30 AM, Alexander Shishkin wrote: > Chunyan Zhang writes: > > I few comments below: > >> The node name of STM master management policy is a concatenation of an >> STM device name to which this policy applies

[PATCH v2] drm: Clean up drm Makefile

This patch cleans up the Makefile of drm root directory. Make core and device drivers configuration list sorted Alphabetically. Signed-off-by: Xinliang Liu Reviewed-by: Xinwei Kong Reviewed-by: Yifan Liu ---

Re: [PATCH v10 5/5] Watchdog: ARM SBSA Generic Watchdog half timeout panic support

Guenter Roeck wrote: Also, if panic is enabled, the timeout needs to be adjusted accordingly (to only panic after the entire timeout period has expired, not after half of it). We can not panic the system after timeout / 2. It's a debugging feature, not an actual watchdog timeout panic. That's

Re: [PATCH v10 5/5] Watchdog: ARM SBSA Generic Watchdog half timeout panic support

On 02/04/2016 05:48 AM, Timur Tabi wrote: Guenter Roeck wrote: Also, if panic is enabled, the timeout needs to be adjusted accordingly (to only panic after the entire timeout period has expired, not after half of it). We can not panic the system after timeout / 2. It's a debugging feature,

Re: [PATCH v10 4/5] Watchdog: introduce ARM SBSA watchdog driver

On 3 February 2016 at 10:18, wrote: > From: Fu Wei > > According to Server Base System Architecture (SBSA) specification, > the SBSA Generic Watchdog has two stage timeouts: the first signal (WS0) > is for alerting the system by interrupt, the second one

Re: [PATCH V2 2/6] stm class: adds a loop to extract the first valid STM device name

Chunyan Zhang writes: I few comments below: > The node name of STM master management policy is a concatenation of an > STM device name to which this policy applies and following an arbitrary > string, these two strings are concatenated with a dot. This is true. >

Re: [PATCH] mm: vmpressure: make vmpressure_window a tunable.

On Thu, Feb 04, 2016 at 12:18:34PM +0100, Martijn Coenen wrote: > I like this idea; I'm happy to come up with a window size and scaling > factors that we think works well, and get your feedback on that. My > only concern again would be that what works well for us may not work > well for others.