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[ Upstream commit bd018b98ba ]
Guillaume says:
> I believe commit 5f7fc5d69f ("SUNRPC: Resupply rq_pages from
> node-local memory") in Linux 6.5+ is incorrect. It passes
> unconditionally rq_pool->sp_id as the NUMA node.
>
> While the comment in the svc_pool declaration in sunrpc/svc.h says
> that sp_id is also the NUMA node id, it might not be the case if
> the svc is created using svc_create_pooled(). svc_created_pooled()
> can use the per-cpu pool mode therefore in this case sp_id would
> be the cpu id.
Fix this by reverting now. At a later point this minor optimization,
and the deceptive labeling of the sp_id field, can be revisited.
Reported-by: Guillaume Morin <guillaume@morinfr.org>
Closes: https://lore.kernel.org/linux-nfs/ZYC9rsno8qYggVt9@bender.morinfr.org/T/#u
Fixes: 5f7fc5d69f ("SUNRPC: Resupply rq_pages from node-local memory")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
f685ef2c9a