Hi, In this version, I applied the feedbacks about the return value of __pmd_trans_huge_lock() and renaming newly added components. I hope these patches go into mainline. Naoya Horiguchi (6): pagemap: avoid splitting thp when reading /proc/pid/pagemap thp: optimize away unnecessary page table locking pagemap: export KPF_THP pagemap: document KPF_THP and make page-types aware of it introduce pmd_to_pte_t() pagemap: introduce data structure for pagemap entry Documentation/vm/page-types.c | 2 + Documentation/vm/pagemap.txt | 4 + arch/x86/include/asm/pgtable.h | 5 ++ fs/proc/page.c | 2 + fs/proc/task_mmu.c | 138 ++++++++++++++++++++++--------------- include/asm-generic/pgtable.h | 4 + include/linux/huge_mm.h | 17 +++++ include/linux/kernel-page-flags.h | 1 + mm/huge_memory.c | 122 +++++++++++++++----------------- mm/mremap.c | 2 - 10 files changed, 174 insertions(+), 123 deletions(-) Thanks, Naoya -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>