Hello,
On Tue, Jun 02, 2020 at 08:08:10AM +0800, Lai Jiangshan wrote:
> It is not noticable from the "free" command.
> By counting the number of allocated pwq (mainly percpu pwq),
> it saves 20k in my simple kvm guest (4cpu).
> I guess it highly various in different boxes with various
> kernel mod
On Mon, Jun 1, 2020 at 11:07 PM Tejun Heo wrote:
>
> On Mon, Jun 01, 2020 at 08:44:42AM +, Lai Jiangshan wrote:
> > The major memory ussage in workqueue is on the pool_workqueue.
> > The pool_workqueue has alignment requirement which often leads
> > to padding.
> >
> > Reducing the memory usag
On Mon, Jun 01, 2020 at 08:44:42AM +, Lai Jiangshan wrote:
> The major memory ussage in workqueue is on the pool_workqueue.
> The pool_workqueue has alignment requirement which often leads
> to padding.
>
> Reducing the memory usage for the pool_workqueue is valuable.
>
> And 32bit system oft
The major memory ussage in workqueue is on the pool_workqueue.
The pool_workqueue has alignment requirement which often leads
to padding.
Reducing the memory usage for the pool_workqueue is valuable.
And 32bit system often has less memory, less workqueues,
less works, less concurrent flush_workqu
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