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由 Wei Yang 提交于
Instead of add allocated file_region one by one to region_cache, we could use list_splice to merge two list at once. Also we know the number of entries in the list, increase the number directly. Signed-off-by: NWei Yang <richard.weiyang@linux.alibaba.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Reviewed-by: NBaoquan He <bhe@redhat.com> Reviewed-by: NMike Kravetz <mike.kravetz@oracle.com> Cc: Vlastimil Babka <vbabka@suse.cz> Link: https://lkml.kernel.org/r/20200831022351.20916-4-richard.weiyang@linux.alibaba.comSigned-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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