On 2/24/22 14:31, Hyeonggon Yoo wrote: > On Thu, Feb 24, 2022 at 01:48:47PM +0100, Vlastimil Babka wrote: >> On 2/21/22 11:53, Hyeonggon Yoo wrote: >> > SLAB's kfree() does not support freeing an object that is allocated from >> > kmalloc_large(). Fix this as SLAB do not pass requests larger than >> > KMALLOC_MAX_CACHE_SIZE directly to page allocator. >> >> AFAICS this issue is limited to build-time constant sizes. Might be better >> to make this a build error rather than build-time NULL? > > Right. And sounds better. But what about another direction as Matthew said: > passing large requests to page allocator like SLUB? Sounds like a good idea, that would reduce the number of kmalloc caches with SLAB, and I expect also simplify the common code further. > I think it's better for maintenance. Any obstacles for this direction? > > Thank you! > >> > Signed-off-by: Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx> >
