On Thu, Sep 01, 2022 at 10:32:19AM -0400, Kent Overstreet wrote:
> On Thu, Sep 01, 2022 at 08:51:31AM +0200, Peter Zijlstra wrote:
> > On Tue, Aug 30, 2022 at 02:48:52PM -0700, Suren Baghdasaryan wrote:
> > > +static void lazy_percpu_counter_switch_to_pcpu(struct
> > > raw_lazy_percpu_counter *c)
On Thu, Sep 01, 2022 at 10:48:39AM -0400, Steven Rostedt wrote:
> On Thu, 1 Sep 2022 10:32:19 -0400
> Kent Overstreet wrote:
>
> > On Thu, Sep 01, 2022 at 08:51:31AM +0200, Peter Zijlstra wrote:
> > > On Tue, Aug 30, 2022 at 02:48:52PM -0700, Suren Baghdasaryan wrote:
> > > > +static void lazy_
On Thu, 1 Sep 2022 10:32:19 -0400
Kent Overstreet wrote:
> On Thu, Sep 01, 2022 at 08:51:31AM +0200, Peter Zijlstra wrote:
> > On Tue, Aug 30, 2022 at 02:48:52PM -0700, Suren Baghdasaryan wrote:
> > > +static void lazy_percpu_counter_switch_to_pcpu(struct
> > > raw_lazy_percpu_counter *c)
> >
On Thu, Sep 01, 2022 at 08:51:31AM +0200, Peter Zijlstra wrote:
> On Tue, Aug 30, 2022 at 02:48:52PM -0700, Suren Baghdasaryan wrote:
> > +static void lazy_percpu_counter_switch_to_pcpu(struct
> > raw_lazy_percpu_counter *c)
> > +{
> > + u64 __percpu *pcpu_v = alloc_percpu_gfp(u64, GFP_ATOMIC|__
On Tue, Aug 30, 2022 at 02:48:52PM -0700, Suren Baghdasaryan wrote:
> +static void lazy_percpu_counter_switch_to_pcpu(struct
> raw_lazy_percpu_counter *c)
> +{
> + u64 __percpu *pcpu_v = alloc_percpu_gfp(u64, GFP_ATOMIC|__GFP_NOWARN);
Realize that this is incorrect when used under a raw_spinl
On Wed, Aug 31, 2022 at 11:02:49AM +0100, Mel Gorman wrote:
> On Tue, Aug 30, 2022 at 02:48:52PM -0700, Suren Baghdasaryan wrote:
> > From: Kent Overstreet
> >
> > This patch adds lib/lazy-percpu-counter.c, which implements counters
> > that start out as atomics, but lazily switch to percpu mode
On Wed, Aug 31, 2022 at 3:02 AM Mel Gorman wrote:
>
> On Tue, Aug 30, 2022 at 02:48:52PM -0700, Suren Baghdasaryan wrote:
> > From: Kent Overstreet
> >
> > This patch adds lib/lazy-percpu-counter.c, which implements counters
> > that start out as atomics, but lazily switch to percpu mode if the
>
On Tue, Aug 30, 2022 at 02:48:52PM -0700, Suren Baghdasaryan wrote:
> From: Kent Overstreet
>
> This patch adds lib/lazy-percpu-counter.c, which implements counters
> that start out as atomics, but lazily switch to percpu mode if the
> update rate crosses some threshold (arbitrarily set at 256 pe
From: Kent Overstreet
This patch adds lib/lazy-percpu-counter.c, which implements counters
that start out as atomics, but lazily switch to percpu mode if the
update rate crosses some threshold (arbitrarily set at 256 per second).
Signed-off-by: Kent Overstreet
---
include/linux/lazy-percpu-cou
