Revert "Ignore madvise(MADV_WILLNEED) for hugetlbfs-backed regions"
This reverts commit a425a638. Now that the previous commit removed the "readpage" actor for hugetlb files, read-ahead will no longer mess up the mapping, and there's no longer any reason to treat hugetlbfs mappings specially. Tested-and-acked-by: Mel Gorman <firstname.lastname@example.org> Signed-off-by: Linus Torvalds <email@example.com>
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