xpmem: support large page

1. try to use as large page as possible on attach
2. pre-map resident remote pages on attach

Change-Id: I5580682a4199e94085a9bad9ce3958a0f14cdcea

test/issues/1473/CMakeLists.txt

@@ -0,0 +1,164 @@
+cmake_policy(SET CMP0005 NEW)
+
+# Options: -DWITH_XPMEM=<XPMEM install directory>
+add_definitions(-DWITH_XPMEM=${WITH_XPMEM})
+
+# Options: -DWITH_XPMEM=<XPMEM build directory>
+add_definitions(-DWITH_XPMEM_BUILD=${WITH_XPMEM_BUILD})
+
+# Options: -DWITH_MCK=<McKernel install directory>
+add_definitions(-DWITH_MCK=${WITH_MCK})
+
+# Options: -DWITH_MCK_SRC=<McKernel source directory>
+add_definitions(-DWITH_MCK_SRC=${WITH_MCK_SRC})
+
+# not used when integrated with autotest
+# Options: -DWITH_MCK_BUILD=<McKernel build directory>
+add_definitions(-DWITH_MCK_BUILD=${WITH_MCK_BUILD})
+
+# for autotest
+if(NOT DEFINED CMAKE_INSTALL_PREFIX_SCRIPTS)
+       set(CMAKE_INSTALL_PREFIX_SCRIPTS ${CMAKE_INSTALL_PREFIX}/scripts)
+endif()
+
+cmake_minimum_required(VERSION 2.0)
+
+project(xpmemtest C)
+
+# CPPFLAGS
+
+set(UNAME_R ${CMAKE_SYSTEM_VERSION} CACHE STRING "Kernel version to build against")
+set(KERNEL_DIR "/lib/modules/${UNAME_R}/build" CACHE STRING "kernel build directory")
+execute_process(COMMAND awk -F= "$1 == \"CONFIG_ARM64_64K_PAGES\" { print $2; exit; }" "${KERNEL_DIR}/.config"
+	OUTPUT_VARIABLE CONFIG_ARM64_64K_PAGES OUTPUT_STRIP_TRAILING_WHITESPACE)
+if(CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
+	if(CONFIG_ARM64_64K_PAGES STREQUAL "y")
+		set(PAGE_SIZE "65536")
+	else()
+		set(PAGE_SIZE "4096")
+	endif()
+else()
+		set(PAGE_SIZE "4096")
+endif()
+message("PAGE_SIZE: ${PAGE_SIZE}")
+
+# CFLAGS
+set(CFLAGS_WARNING "-Wall" "-Wextra" "-Wno-unused-parameter" "-Wno-sign-compare" "-Wno-unused-function" ${EXTRA_WARNINGS} CACHE STRING "Warning flags")
+add_compile_options(-O2 -g ${CFLAGS_WARNING})
+
+# -L, this must be done before adding dependants
+link_directories("${WITH_XPMEM}/lib")
+
+# -Wl,--rpath=, this must be done before adding dependants
+set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
+
+foreach(target IN ITEMS
+    xpmem_make01
+    xpmem_attach01
+    xpmem_attach02
+    )
+
+  # Add target
+  add_executable(${target} ${target}.c)
+
+  # -D
+  target_compile_definitions(${target}
+    PRIVATE -DPAGE_SIZE=${PAGE_SIZE}
+    )
+
+  # -I
+  target_include_directories(${target}
+    PRIVATE "${WITH_XPMEM}/include"
+    )
+
+  # -l
+  target_link_libraries(${target}
+    PRIVATE xpmem
+    )
+
+  # String replacement and install
+  configure_file(${target}.sh.in xpmem-${target} @ONLY)
+
+  # Install
+  install(TARGETS ${target} DESTINATION bin)
+  install(PROGRAMS ${CMAKE_BINARY_DIR}/xpmem-${target} DESTINATION ${CMAKE_INSTALL_PREFIX_SCRIPTS})
+endforeach()
+
+foreach(target IN ITEMS
+    xpmem_attach03
+    )
+  # String replacement and install
+  configure_file(${target}.sh.in xpmem-${target} @ONLY)
+
+  # Install
+  install(PROGRAMS ${CMAKE_BINARY_DIR}/xpmem-${target} DESTINATION ${CMAKE_INSTALL_PREFIX_SCRIPTS})
+endforeach()
+
+foreach(target IN ITEMS
+    util
+    )
+  # String replacement and install
+  configure_file(${target}.sh.in ${target}.sh @ONLY)
+
+  # Install
+  install(PROGRAMS ${CMAKE_BINARY_DIR}/${target}.sh DESTINATION bin)
+endforeach()
+
+foreach(target IN ITEMS
+    huge_page_xpmem
+    multi_vmr_xpmem
+    XTP_001
+    XTP_002
+    XTP_003
+    XTP_004
+    XTP_005
+    XTP_006
+    XTP_007
+    XTP_008
+    XTP_009
+    XTP_010
+    XTP_011
+    )
+
+  # Add target
+  add_executable(${target} ${target}.c)
+
+  # -D
+  target_compile_definitions(${target}
+    PRIVATE -DPAGE_SIZE=${PAGE_SIZE}
+    )
+
+  # -I
+  target_include_directories(${target}
+    PRIVATE "${WITH_XPMEM}/include"
+    )
+
+  # -l
+  target_link_libraries(${target}
+    PRIVATE xpmem
+    )
+
+  # Install
+  install(TARGETS ${target} DESTINATION bin)
+endforeach()
+
+foreach(target IN ITEMS
+    common.sh
+    )
+    configure_file(${target}.in ${target} @ONLY)
+    install(PROGRAMS ${CMAKE_BINARY_DIR}/${target} DESTINATION bin)
+endforeach()
+
+foreach(target IN ITEMS
+    aarch64.conf
+    )
+    install(FILES ${target} DESTINATION etc)
+endforeach()
+
+# patches
+foreach(target IN ITEMS
+    large_page.patch
+    ihk_kmsg_size.patch
+    )
+  install(PROGRAMS ${CMAKE_CURRENT_SOURCE_DIR}/${target} DESTINATION bin)
+endforeach()