On Thu, Jun 01, 2023 at 12:23:58PM +0100, Giovanni Cabiddu wrote: > > BTW, some time ago we did an assessment of the users of > !CRYPTO_ALG_ALLOCATES_MEMORY and we came to the conclusion that we > cannot just update the documentation. > dm-crypt uses scatterlists with at most 4 entries. dm-integrity, > instead, might allocate memory for scatterlists with an arbitrary number > of entries. dm-integrity shouldn't be using ALLOCATES_MEMORY at all. It's using GFP_KERNEL allocations right next to the crypto operations. But those are some seriously big crypto operations, 16 thousand 4K pages in one hit? Cheers, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
