Re: [PATCH] crypto: allow to assign gfp_t for __crypto_alloc_tfm

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, May 18, 2015 at 11:24:30PM -0700, Jaegeuk Kim wrote:
>
> The call path in fs/ext4/crypto.c is:
>  - writepage
>   - ext4_encrypt
>    - ext4_get_crypto_ctx
>     - crypto_alloc_ablkcipher
> 
> AFAIK, this way can achieve to reduce memory footprint gracefully.
> Just before submitting bios, fs allocates the required memory, and then end_io
> will free them in pair.

So where does the key get generated? The crypto tfm should be
allocated when you generate the key.

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
--
To unsubscribe from this list: send the line "unsubscribe linux-crypto" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Kernel]     [Gnu Classpath]     [Gnu Crypto]     [DM Crypt]     [Netfilter]     [Bugtraq]

  Powered by Linux