This is v2 of patch serie is the implementation of support of hugepages for the 8xx. v1 of the serie was including some other fixes and optimisations/reorganisations for the 8xx. Now the patch has been split and this part only focuses on the implementation of hugepages.
Compared the v1, the last patch has been split in two parts. This patch serie applies on top of the patch serie named "Optimisation on 8xx prior to hugepage implementation" Christophe Leroy (3): powerpc: port 64 bits pgtable_cache to 32 bits powerpc: get hugetlbpage handling more generic powerpc/8xx: Implement support of hugepages arch/powerpc/include/asm/book3s/32/pgalloc.h | 44 +++++- arch/powerpc/include/asm/book3s/32/pgtable.h | 43 +++--- arch/powerpc/include/asm/book3s/64/pgtable.h | 3 - arch/powerpc/include/asm/hugetlb.h | 19 ++- arch/powerpc/include/asm/mmu-8xx.h | 35 +++++ arch/powerpc/include/asm/mmu.h | 23 +-- arch/powerpc/include/asm/nohash/32/pgalloc.h | 44 +++++- arch/powerpc/include/asm/nohash/32/pgtable.h | 45 +++--- arch/powerpc/include/asm/nohash/32/pte-8xx.h | 1 + arch/powerpc/include/asm/nohash/64/pgtable.h | 2 - arch/powerpc/include/asm/nohash/pgtable.h | 4 + arch/powerpc/include/asm/pgtable.h | 2 + arch/powerpc/include/asm/reg_8xx.h | 2 +- arch/powerpc/kernel/head_8xx.S | 119 ++++++++++++++- arch/powerpc/mm/Makefile | 3 +- arch/powerpc/mm/hugetlbpage.c | 212 ++++++++++++--------------- arch/powerpc/mm/init-common.c | 147 +++++++++++++++++++ arch/powerpc/mm/init_64.c | 77 ---------- arch/powerpc/mm/pgtable_32.c | 37 ----- arch/powerpc/mm/tlb_nohash.c | 21 ++- arch/powerpc/platforms/8xx/Kconfig | 1 + arch/powerpc/platforms/Kconfig.cputype | 1 + 22 files changed, 572 insertions(+), 313 deletions(-) create mode 100644 arch/powerpc/mm/init-common.c -- 2.1.0
