Re: [TECH TOPIC] Implementing malloc

On Mon, Jun 29, 2026 at 03:29:42PM +0100, Matthew Wilcox wrote:
> malloc() is a standard part of the C library.  Yet we force new Linux
> programmers to learn the difference between vmalloc(), kmalloc() and
> kvmalloc().  They even have to acquire an understanding of the difference
> between GFP_KERNEL and GFP_ATOMIC.  If they are particularly unlucky,
> they may have to understand other combinations of GFP flags.
> 
> This topic proposes that we should implement malloc() and calloc().

I'd say no.

* they return void*, not T*,

* individual kmemcaches should be used more for better debugging
  experience

	malexey()