This patch series introduces a scalable and lockless ring-array based object pool to improve scalability of kretprobed routines.
v11: *) patchset rebased to branch probes/core of linux-trace.git *) objpool: objpool_fini optimized for better code readability *) test_objpool: asynchronous releasing of objpool now covered wuqiang.matt (5): lib: objpool added: ring-array based lockless MPMC lib: objpool test module added kprobes: kretprobe scalability improvement with objpool kprobes: freelist.h removed MAINTAINERS: objpool added MAINTAINERS | 7 + include/linux/freelist.h | 129 -------- include/linux/kprobes.h | 11 +- include/linux/objpool.h | 176 ++++++++++ include/linux/rethook.h | 16 +- kernel/kprobes.c | 93 +++--- kernel/trace/fprobe.c | 32 +- kernel/trace/rethook.c | 90 +++-- lib/Kconfig.debug | 11 + lib/Makefile | 4 +- lib/objpool.c | 286 ++++++++++++++++ lib/test_objpool.c | 689 +++++++++++++++++++++++++++++++++++++++ 12 files changed, 1270 insertions(+), 274 deletions(-) delete mode 100644 include/linux/freelist.h create mode 100644 include/linux/objpool.h create mode 100644 lib/objpool.c create mode 100644 lib/test_objpool.c -- 2.40.1
