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Patch series "convert hugetlb_cgroup helper functions to folios", v2.

This patch series continues the conversion of hugetlb code from being
managed in pages to folios by converting many of the hugetlb_cgroup helper
functions to use folios.  This allows the core hugetlb functions to pass
in a folio to these helper functions.


This patch (of 9);

Change __set_hugetlb_cgroup() to use folios so it is explicit that the
function operates on a head page.

Link: https://lkml.kernel.org/r/20221101223059.460937-1-sidhartha.kumar@oracle.com
Link: https://lkml.kernel.org/r/20221101223059.460937-2-sidhartha.kumar@oracle.com

Signed-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Bui Quang Minh <minhquangbui99@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Mina Almasry <almasrymina@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>