Messages in this thread | | | Date | Mon, 21 Jan 2019 21:51:47 +0000 | From | Christopher Lameter <> | Subject | Re: [PATCH 1/6] mm: make mm->pinned_vm an atomic64 counter |
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On Mon, 21 Jan 2019, Davidlohr Bueso wrote > Taking a sleeping lock to _only_ increment a variable is quite the > overkill, and pretty much all users do this. Furthermore, some drivers > (ie: infiniband and scif) that need pinned semantics can go to quite > some trouble to actually delay via workqueue (un)accounting for pinned > pages when not possible to acquire it.
Reviewed-by: Christoph Lameter <cl@linux.com>
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