diff options
Diffstat (limited to 'config/spl-build.m4')
| -rw-r--r-- | config/spl-build.m4 | 57 |
1 files changed, 42 insertions, 15 deletions
diff --git a/config/spl-build.m4 b/config/spl-build.m4 index 76fa96ff9..ebc2721f5 100644 --- a/config/spl-build.m4 +++ b/config/spl-build.m4 @@ -706,22 +706,29 @@ AC_DEFUN([SPL_AC_INODE_I_MUTEX], [ ]) dnl # -dnl # 2.6.14 API change, -dnl # check whether 'div64_64()' is available -dnl # +dnl # 2.6.22 API change, +dnl # First introduced 'div64_64()' in lib/div64.c +dnl AC_DEFUN([SPL_AC_DIV64_64], [ - AC_MSG_CHECKING([whether div64_64() is available]) - SPL_LINUX_TRY_COMPILE([ - #include <asm/div64.h> - #include <linux/types.h> - ],[ - uint64_t i = div64_64(1ULL, 1ULL); - ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_DIV64_64, 1, [div64_64() is available]) - ],[ - AC_MSG_RESULT(no) - ]) + SPL_CHECK_SYMBOL_EXPORT( + [div64_64], + [], + [AC_DEFINE(HAVE_DIV64_64, 1, + [div64_64() is available])], + []) +]) + +dnl # +dnl # 2.6.26 API change, +dnl # Renamed 'div64_64()' to 'div64_u64' in lib/div64.c +dnl # +AC_DEFUN([SPL_AC_DIV64_U64], [ + SPL_CHECK_SYMBOL_EXPORT( + [div64_u64], + [], + [AC_DEFINE(HAVE_DIV64_U64, 1, + [div64_u64() is available])], + []) ]) dnl # @@ -837,6 +844,26 @@ AC_DEFUN([SPL_AC_GET_ZONE_COUNTS], [ ]) dnl # +dnl # 2.6.18 API change, +dnl # First introduced global_page_state() support as an inline. +dnl # +AC_DEFUN([SPL_AC_GLOBAL_PAGE_STATE], [ + AC_MSG_CHECKING([whether global_page_state() is available]) + SPL_LINUX_TRY_COMPILE([ + #include <linux/vmstat.h> + ],[ + unsigned long state; + state = global_page_state(NR_FREE_PAGES); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_GLOBAL_PAGE_STATE, 1, + [global_page_state() is available]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +dnl # dnl # 2.6.21 API change, dnl # Public global zone stats now include free/inactive/active page dnl # counts. This replaced the priviate get_zone_counts() interface. |