Hi, I while ago Nicholas proposed to remove quicklist page table caches [1]. I've rebased his patch on the curren upstream and switched ia64 and sh to use generic versions of PTE allocation. [1] https://lore.kernel.org/linux-mm/20190711030339.20892-1-npiggin@xxxxxxxxx Mike Rapoport (2): ia64: switch to generic version of pte allocation sh: switch to generic version of pte allocation Nicholas Piggin (1): mm: remove quicklist page table caches arch/alpha/include/asm/pgalloc.h | 2 - arch/arc/include/asm/pgalloc.h | 1 - arch/arm/include/asm/pgalloc.h | 2 - arch/arm64/include/asm/pgalloc.h | 2 - arch/csky/include/asm/pgalloc.h | 2 - arch/hexagon/include/asm/pgalloc.h | 2 - arch/ia64/Kconfig | 4 -- arch/ia64/include/asm/pgalloc.h | 52 +++-------------- arch/m68k/include/asm/pgtable_mm.h | 2 - arch/m68k/include/asm/pgtable_no.h | 2 - arch/microblaze/include/asm/pgalloc.h | 89 +++-------------------------- arch/microblaze/mm/pgtable.c | 4 -- arch/mips/include/asm/pgalloc.h | 2 - arch/nds32/include/asm/pgalloc.h | 2 - arch/nios2/include/asm/pgalloc.h | 2 - arch/openrisc/include/asm/pgalloc.h | 2 - arch/parisc/include/asm/pgalloc.h | 2 - arch/powerpc/include/asm/pgalloc.h | 2 - arch/riscv/include/asm/pgalloc.h | 4 -- arch/s390/include/asm/pgtable.h | 1 - arch/sh/include/asm/pgalloc.h | 44 +-------------- arch/sh/mm/Kconfig | 3 - arch/sparc/include/asm/pgalloc_32.h | 2 - arch/sparc/include/asm/pgalloc_64.h | 2 - arch/sparc/mm/init_32.c | 1 - arch/um/include/asm/pgalloc.h | 2 - arch/unicore32/include/asm/pgalloc.h | 2 - arch/x86/include/asm/pgtable_32.h | 1 - arch/x86/include/asm/pgtable_64.h | 1 - arch/xtensa/include/asm/tlbflush.h | 3 - fs/proc/meminfo.c | 4 -- include/asm-generic/pgalloc.h | 5 -- include/linux/quicklist.h | 94 ------------------------------- kernel/sched/idle.c | 1 - lib/show_mem.c | 5 -- mm/Kconfig | 5 -- mm/Makefile | 1 - mm/mmu_gather.c | 2 - mm/quicklist.c | 103 ---------------------------------- 39 files changed, 16 insertions(+), 446 deletions(-) delete mode 100644 include/linux/quicklist.h delete mode 100644 mm/quicklist.c -- 2.7.4