libnvdimm, pmem: move request_queue allocation earlier in probe
Before the dynamically allocated struct pages from devm_memremap_pages() can be put to use outside the driver, we need a mechanism to track whether they are still in use at teardown. Towards that goal reorder the initialization sequence to allow the 'q_usage_counter' from the request_queue to be used by the devm_memremap_pages() implementation (in subsequent patches). Signed-off-by: Dan Williams <dan.j.williams@intel.com> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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