asm-generic: introduce <asm-generic/pgtable-nop4d.h>
Like with pgtable-nopud.h for 4-level paging, this new header is base for converting an architectures to properly folded p4d_t level. Signed-off-by: NKirill A. Shutemov <kirill.shutemov@linux.intel.com> Acked-by: NMichal Hocko <mhocko@suse.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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