Re: [TECH TOPIC] Implementing malloc

[Laurent Pinchart <laurent.pinchart@ideasonboard.com>]

On Fri, Jul 10, 2026 at 01:21:23PM +0200, Geert Uytterhoeven wrote:
> On Thu, 9 Jul 2026 at 20:52, Dan Carpenter wrote:
> > On Thu, Jul 09, 2026 at 06:11:21PM +0100, Matthew Wilcox wrote:
> > > I agree that many memory allocations benefit from providing more semantic
> > > information to both the compiler and the runtime, as you suggest.
> > > What I don't think we benefit from is "And you have to pass this magic
> > > GFP_KERNEL argument too.  Unless it's GFP_ATOMIC or something".
> >
> > You know that most people are using kzmalloc_obj() these days and so
> > they don't pass GFP_KERNEL...
> 
> You know that most people are using the devm_*() allocators  these
> days and so they do pass GFP_KERNEL? ;-)

I know that lots of people overuse the devm_*() allocators in ways that
are very harmfull :-)

Jokes aside, I think Kees mentioned he would extend the object
allocation API to devm_*().

-- 
Regards,

Laurent Pinchart