| From | David Howells <> | Subject | Re: Why the auxiliary cipher in gss_krb5_crypto.c? | Date | Tue, 08 Dec 2020 14:02:41 +0000 |
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David Howells <dhowells@redhat.com> 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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