Hi Ingo, Do you have any comments for the latest version of the patchset. If not, kindly can you pick it up as is. With regards Maddy > Kirill A. Shutemov with 8c6e50b029 commit introduced > vm_ops->map_pages() for mapping easy accessible pages around > fault address in hope to reduce number of minor page faults. > > This patch creates infrastructure to modify the FAULT_AROUND_ORDER > value using mm/Kconfig. This will enable architecture maintainers > to decide on suitable FAULT_AROUND_ORDER value based on > performance data for that architecture. First patch also defaults > FAULT_AROUND_ORDER Kconfig element to 4. Second patch list > out the performance numbers for powerpc (platform pseries) and > initialize the fault around order variable for pseries platform of > powerpc. > > V4 Changes: > Replaced the BUILD_BUG_ON with VM_BUG_ON. > Moved fault_around_pages() and fault_around_mask() functions outside of > #ifdef CONFIG_DEBUG_FS. > > V3 Changes: > Replaced FAULT_AROUND_ORDER macro to a variable to support arch's that > supports sub platforms. > Made changes in commit messages. > > V2 Changes: > Created Kconfig parameter for FAULT_AROUND_ORDER > Added check in do_read_fault to handle FAULT_AROUND_ORDER value of 0 > Made changes in commit messages. > > Madhavan Srinivasan (2): > mm: move FAULT_AROUND_ORDER to arch/ > powerpc/pseries: init fault_around_order for pseries > > arch/powerpc/platforms/pseries/pseries.h | 2 ++ > arch/powerpc/platforms/pseries/setup.c | 5 +++++ > mm/Kconfig | 8 ++++++++ > mm/memory.c | 25 ++++++------------------- > 4 files changed, 21 insertions(+), 19 deletions(-) > -- 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/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>