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Peter Xu authored
Explicit memcg uncharging is not needed when the memcg accounting has the same lifespan of the page/folio. That becomes the case for khugepaged after Yang & Zach's recent rework so the hpage will be allocated for each collapse rather than being cached. Cleanup the explicit memcg uncharge in khugepaged failure path and leave that for put_page(). Link: https://lkml.kernel.org/r/20230303151218.311015-1-peterx@redhat.comSigned-off-by:
Peter Xu <peterx@redhat.com> Suggested-by:
Zach O'Keefe <zokeefe@google.com> Reviewed-by:
Zach O'Keefe <zokeefe@google.com> Reviewed-by:
Yang Shi <shy828301@gmail.com> Cc: David Stevens <stevensd@chromium.org> Cc: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org>
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