On Mon, Dec 05, 2022 at 10:27:58PM -0800, Christoph Hellwig wrote: . > But GFP_DMA never did do anything at all about alignment. It picks > allocations from ZONE_DMA (which on x86 is the first 16MB only). Right. I'm not arguing that they are correct or anything. I'm just saying that they are currently working on arm64 because of the large minimum kmalloc alignment, and they will all be broken afterwards. Cheers, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt