# 2.6.31
+# 2.6.30 x86 node_to_cpumask has been removed. must use cpumask_of_node
+AC_DEFUN([LC_EXPORT_CPUMASK_OF_NODE],
+ [LB_CHECK_SYMBOL_EXPORT([node_to_cpumask_map],
+ [arch/$LINUX_ARCH/mm/numa.c],
+ [AC_DEFINE(HAVE_CPUMASK_OF_NODE, 1,
+ [node_to_cpumask_map is exported by
+ the kernel])]) # x86_64
+ ])
+
# 2.6.31 replaces blk_queue_hardsect_size by blk_queue_logical_block_size function
AC_DEFUN([LC_BLK_QUEUE_LOG_BLK_SIZE],
[AC_MSG_CHECKING([if blk_queue_logical_block_size is defined])
EXTRA_KCFLAGS=$tmp_flags
])
+# 2.6.32 set_cpus_allowed is no more defined if CONFIG_CPUMASK_OFFSTACK=yes
+AC_DEFUN([LC_SET_CPUS_ALLOWED],
+ [AC_MSG_CHECKING([if kernel defines set_cpus_allowed])
+ LB_LINUX_TRY_COMPILE(
+ [#include <linux/sched.h>],
+ [struct task_struct *p = NULL;
+ cpumask_t mask = { { 0 } };
+ (void) set_cpus_allowed(p, mask);],
+ [AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_SET_CPUS_ALLOWED, 1,
+ [set_cpus_allowed is exported by the kernel])],
+ [AC_MSG_RESULT([no])] )])
+
#
# LC_D_OBTAIN_ALIAS
# starting from 2.6.28 kernel replaces d_alloc_anon() with
LC_SB_HAS_QUOTA_ACTIVE
LC_EXPORT_ADD_TO_PAGE_CACHE_LRU
+ # 2.6.30
+ LC_EXPORT_CPUMASK_OF_NODE
+
# 2.6.31
LC_BLK_QUEUE_LOG_BLK_SIZE
LC_SB_BDI
LC_BLK_QUEUE_MAX_SECTORS
LC_BLK_QUEUE_MAX_SEGMENTS
+ LC_SET_CPUS_ALLOWED
# 2.6.38
LC_BLKDEV_GET_BY_DEV
#define cfs_for_each_possible_cpu(cpu) for_each_cpu(cpu)
#endif
-#ifndef cpu_to_node
-#define cpu_to_node(cpu) 0
-#endif
-
#ifdef HAVE_BIO_ENDIO_2ARG
#define cfs_bio_io_error(a,b) bio_io_error((a))
#define cfs_bio_endio(a,b,c) bio_endio((a),(c))
#define ll_pagevec_lru_add_file(pv) pagevec_lru_add_file(pv)
#endif
+#if !defined(HAVE_NODE_TO_CPUMASK) && defined(HAVE_CPUMASK_OF_NODE)
+#define node_to_cpumask(i) (*(cpumask_of_node(i)))
+#define HAVE_NODE_TO_CPUMASK
+#endif
+
#endif /* __KERNEL__ */
#endif /* _COMPAT25_H */
"ptlrpc_hr_%d", hr_args->thread_index);
cfs_daemonize_ctxt(threadname);
-#if defined(CONFIG_SMP) && defined(HAVE_NODE_TO_CPUMASK)
+#if defined(CONFIG_NUMA) && defined(HAVE_NODE_TO_CPUMASK)
cfs_set_cpus_allowed(cfs_current(),
node_to_cpumask(cpu_to_node(hr_args->cpu_index)));
#endif