memblock: split checks whether a region should be skipped to a helper function
__next_mem_range() and __next_mem_range_rev() duplicate the code that checks whether a region should be skipped because of node or flags incompatibility. Split this code into a helper function. Link: http://lkml.kernel.org/r/1549455025-17706-3-git-send-email-rppt@linux.ibm.comSigned-off-by: NMike Rapoport <rppt@linux.ibm.com> Reviewed-by: NAndrew Morton <akpm@linux-foundation.org> Cc: Michal Hocko <mhocko@suse.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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