On 22.09.22 16:36, Christoph Hellwig wrote:
On Tue, Sep 20, 2022 at 06:02:11AM +0100, Al Viro wrote:
nvme target: nvme read requests end up with somebody allocating and filling
sglist, followed by reading from file into it (using ITER_BVEC). Then the
pages are sent out, presumably
Yes.
. I would be very surprised if it turned out
to be anything other than anon pages allocated by the driver, but I'd like
to see that confirmed by nvme folks. Probably doesn't need pinning.
They are anon pages allocated by the driver using sgl_alloc().
I assume they are not anon pages as in "PageAnon()", but simply not
pagecache pages, correct?
--
Thanks,
David / dhildenb
