Messages in this thread | | | Date | Thu, 24 Feb 2022 13:31:51 +0000 | From | Hyeonggon Yoo <> | Subject | Re: [PATCH 3/5] mm/slab: Do not call kmalloc_large() for unsupported size |
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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?
I think it's better for maintenance. Any obstacles for this direction?
Thank you!
> > Signed-off-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
-- Hyeonggon
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