Re: [PATCH] mm: remove all the slab allocators

["Fabio M. De Francesco" <fmdefrancesco@gmail.com>]

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On Sun, 2 Apr 2023, 13:04 Matthew Wilcox, <willy@infradead.org> wrote:

> On Sun, Apr 02, 2023 at 05:09:14PM +0800, 郭辉 wrote:
> > On 4/1/23 5:46 PM, Vlastimil Babka wrote:
> > > As the SLOB removal is on track and the SLAB removal is planned, I have
> > > realized - why should we stop there and not remove also SLUB? What's a
> > > slab allocator good for in 2023? The RAM sizes are getting larger and
> > > the modules cheaper [1]. The object constructor trick was perhaps
> > > interesting in 1994, but not with contemporary CPUs. So all the slab
> > > allocator does today is just adding an unnecessary layer of complexity
> > > over the page allocator.
> >
> > The slab allocator is very core and very important to the Linux kernel.
> > After the patch is merged into the mainline, it will have a very profound
> > impact on the development of the Linux kernel.
>
> https://en.wikipedia.org/wiki/April_Fools%27_Day


Wow!

The most interesting implication of this "patch" is that you noticed that
some people may actually need the link above to be able to distinguish
between foolishness and reality...

Thanks :-)

Fabio

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