mm/mmap.c: __vma_unlink_prev() is not necessary now
The third parameter of __vma_unlink_common() could differentiate these two types. __vma_unlink_prev() is not necessary now. Link: http://lkml.kernel.org/r/20191006012636.31521-2-richardw.yang@linux.intel.comSigned-off-by: NWei Yang <richardw.yang@linux.intel.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Oscar Salvador <osalvador@suse.de> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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