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authorWei Yang <richard.weiyang@linux.alibaba.com>2020-10-13 16:56:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-10-13 18:38:34 -0700
commitd3ec7b6e09e512ba902b86bcca2c512fb06d492f (patch)
treea2bdb6769f9288054c6750c0aff81642deaa60c3 /tools/perf/scripts/python/export-to-postgresql.py
parentmm/hugetlb: remove VM_BUG_ON(!nrg) in get_file_region_entry_from_cache() (diff)
downloadwireguard-linux-d3ec7b6e09e512ba902b86bcca2c512fb06d492f.tar.xz
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mm/hugetlb: use list_splice to merge two list at once
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: Wei Yang <richard.weiyang@linux.alibaba.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Baoquan He <bhe@redhat.com> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com> Cc: Vlastimil Babka <vbabka@suse.cz> Link: https://lkml.kernel.org/r/20200831022351.20916-4-richard.weiyang@linux.alibaba.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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