sparc64: add support for folded p4d page tables
Implement primitives necessary for the 4th level folding, add walks of p4d level where appropriate and replace 5level-fixup.h with pgtable-nop4d.h. Signed-off-by:Mike Rapoport <rppt@linux.ibm.com> Acked-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- arch/sparc/include/asm/pgalloc_64.h 3 additions, 3 deletionsarch/sparc/include/asm/pgalloc_64.h
- arch/sparc/include/asm/pgtable_64.h 12 additions, 12 deletionsarch/sparc/include/asm/pgtable_64.h
- arch/sparc/kernel/signal32.c 5 additions, 1 deletionarch/sparc/kernel/signal32.c
- arch/sparc/kernel/smp_64.c 12 additions, 1 deletionarch/sparc/kernel/smp_64.c
- arch/sparc/mm/fault_64.c 5 additions, 1 deletionarch/sparc/mm/fault_64.c
- arch/sparc/mm/hugetlbpage.c 18 additions, 10 deletionsarch/sparc/mm/hugetlbpage.c
- arch/sparc/mm/init_64.c 29 additions, 4 deletionsarch/sparc/mm/init_64.c
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