diff options
Diffstat (limited to 'config')
| -rw-r--r-- | config/spl-build.m4 | 53 |
1 files changed, 48 insertions, 5 deletions
diff --git a/config/spl-build.m4 b/config/spl-build.m4 index d0cf86d9a..1013e1f4c 100644 --- a/config/spl-build.m4 +++ b/config/spl-build.m4 @@ -752,7 +752,11 @@ AC_DEFUN([SPL_AC_KALLSYMS_LOOKUP_NAME], [ ]) dnl # -dnl # Symbol only available in custom kernels +dnl # Proposed API change, +dnl # This symbol is not available in stock kernels. You may build a +dnl # custom kernel with the *-spl-export-symbols.patch which will export +dnl # these symbols for use. If your already rolling a custom kernel for +dnl # your environment this is recommended. dnl # AC_DEFUN([SPL_AC_GET_VMALLOC_INFO], [ SPL_CHECK_SYMBOL_EXPORT( @@ -764,7 +768,11 @@ AC_DEFUN([SPL_AC_GET_VMALLOC_INFO], [ ]) dnl # -dnl # Symbol only available in custom kernels +dnl # Proposed API change, +dnl # This symbol is not available in stock kernels. You may build a +dnl # custom kernel with the *-spl-export-symbols.patch which will export +dnl # these symbols for use. If your already rolling a custom kernel for +dnl # your environment this is recommended. dnl # AC_DEFUN([SPL_AC_FIRST_ONLINE_PGDAT], [ SPL_CHECK_SYMBOL_EXPORT( @@ -776,7 +784,11 @@ AC_DEFUN([SPL_AC_FIRST_ONLINE_PGDAT], [ ]) dnl # -dnl # Symbol only available in custom kernels +dnl # Proposed API change, +dnl # This symbol is not available in stock kernels. You may build a +dnl # custom kernel with the *-spl-export-symbols.patch which will export +dnl # these symbols for use. If your already rolling a custom kernel for +dnl # your environment this is recommended. dnl # AC_DEFUN([SPL_AC_NEXT_ONLINE_PGDAT], [ SPL_CHECK_SYMBOL_EXPORT( @@ -788,7 +800,11 @@ AC_DEFUN([SPL_AC_NEXT_ONLINE_PGDAT], [ ]) dnl # -dnl # Symbol only available in custom kernels +dnl # Proposed API change, +dnl # This symbol is not available in stock kernels. You may build a +dnl # custom kernel with the *-spl-export-symbols.patch which will export +dnl # these symbols for use. If your already rolling a custom kernel for +dnl # your environment this is recommended. dnl # AC_DEFUN([SPL_AC_NEXT_ZONE], [ SPL_CHECK_SYMBOL_EXPORT( @@ -800,7 +816,11 @@ AC_DEFUN([SPL_AC_NEXT_ZONE], [ ]) dnl # -dnl # Symbol only available in custom kernels +dnl # Proposed API change, +dnl # This symbol is not available in stock kernels. You may build a +dnl # custom kernel with the *-spl-export-symbols.patch which will export +dnl # these symbols for use. If your already rolling a custom kernel for +dnl # your environment this is recommended. dnl # AC_DEFUN([SPL_AC_GET_ZONE_COUNTS], [ SPL_CHECK_SYMBOL_EXPORT( @@ -810,3 +830,26 @@ AC_DEFUN([SPL_AC_GET_ZONE_COUNTS], [ [get_zone_counts() is available])], []) ]) + +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. +dnl # +AC_DEFUN([SPL_AC_ZONE_STAT_ITEM_FIA], [ + AC_MSG_CHECKING([whether free/inactive/active page state is available]) + SPL_LINUX_TRY_COMPILE([ + #include <linux/mmzone.h> + ],[ + enum zone_stat_item i1, i2, i3; + i1 = NR_FREE_PAGES; + i2 = NR_INACTIVE; + i3 = NR_ACTIVE; + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_ZONE_STAT_ITEM_FIA, 1, + [free/inactive/active page state is available]) + ],[ + AC_MSG_RESULT(no) + ]) +]) |