Re: improve the kmem_cache_alloc_bulk API

[Christoph Hellwig]

On Wed, May 27, 2026 at 04:07:12PM +0200, Vlastimil Babka (SUSE) wrote:
> commit 46dea1744498 ("slab: refill sheaves from all nodes") from this January.
> Previously it was just interrupts enabled.
> 
> > but by requiring separate functions so I somehow doubt that was meant.
> 
> Yeah, it's expressed by the _nolock variants. But slab propagates it internally
> by the gfp flags, and since 46dea1744498 it affects kmem_cache_alloc_bulk().

So what are the GFP flags that affect spinning?  I can't find anything
related to that in either Documentation/core-api/memory-allocation.rst or
include/linux/gfp_types.h.