Fwd: alloc_pages_bulk()

[Chuck Lever <chuck.lever@oracle.com>]

Sorry for resending. I misremembered the linux-mm address.


> Begin forwarded message:
> 
> From: Chuck Lever <chuck.lever@oracle.com>
> Subject: alloc_pages_bulk()
> Date: February 8, 2021 at 10:42:07 AM EST
> To: "mgorman@suse.de" <mgorman@suse.de>, "brouer@redhat.com" <brouer@redhat.com>
> Cc: "linux-mm@vger.kernel.org" <linux-mm@vger.kernel.org>, Linux NFS Mailing List <linux-nfs@vger.kernel.org>
> 
> Hi-
> 
> [ please Cc: me, I'm not subscribed to linux-mm ]
> 
> We've been discussing how NFSD can more efficiently refill its
> receive buffers (currently alloc_page() in a loop; see
> net/sunrpc/svc_xprt.c::svc_alloc_arg()).
> 
> Neil Brown pointed me to this old thread:
> 
> https://lore.kernel.org/lkml/20170109163518.6001-1-mgorman@techsingularity.net/
> 
> We see that many of the prerequisites are in v5.11-rc, but
> alloc_page_bulk() is not. I tried forward-porting 4/4 in that
> series, but enough internal APIs have changed since 2017 that
> the patch does not come close to applying and compiling.
> 
> I'm wondering:
> 
> a) is there a newer version of that work?
> 
> b) if not, does there exist a preferred API in 5.11 for bulk
> page allocation?
> 
> Many thanks for any guidance!
> 
> --
> Chuck Lever
> 
> 
> 

--
Chuck Lever