ld.so load shared object using hugepage to decrease TLB cache miss.

Lv Ying (2): elf: dynamic linker load shared object use hugepage as much as possible elf/ld.so: use special mmap for hugepage to get symbols in hugepage area for debug purpose

config.h.in | 2 + configure | 20 ++ configure.ac | 11 + elf/Makefile | 8 + elf/dl-environ.c | 11 + elf/dl-load.c | 38 +++ elf/dl-load.h | 14 + elf/dl-map-segments-hugepage.h | 572 +++++++++++++++++++++++++++++++++ elf/elf.h | 4 + elf/hugepageedit.c | 136 ++++++++ elf/rtld.c | 54 +++- sysdeps/generic/ldsodefs.h | 6 +- 12 files changed, 874 insertions(+), 2 deletions(-) create mode 100644 elf/dl-map-segments-hugepage.h create mode 100644 elf/hugepageedit.c