Re: Why the auxiliary cipher in gss_krb5_crypto.c?

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David Howells <dhowells@xxxxxxxxxx> wrote:

> I wonder - would it make sense to reserve two arrays of scatterlist structs
> and a mutex per CPU sufficient to map up to 1MiB of pages with each array
> while the krb5 service is in use?

Actually, simply reserving a set per CPU is probably unnecessary.  We could,
say, set a minimum and a maximum on the reservations (say 2 -> 2*nr_cpus) and
then allocate new ones when we run out.  Then let the memory shrinker clean
them up off an lru list.

David




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