mm: introduce offset_in_thp
Mirroring offset_in_page(), this gives you the offset within this particular page, no matter what size page it is. It optimises down to offset_in_page() if CONFIG_TRANSPARENT_HUGEPAGE is not set. Signed-off-by:Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Reviewed-by:
David Hildenbrand <david@redhat.com> Reviewed-by:
William Kucharski <william.kucharski@oracle.com> Reviewed-by:
Zi Yan <ziy@nvidia.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Link: http://lkml.kernel.org/r/20200629151959.15779-8-willy@infradead.org Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
parent
2be1d718
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