[ndctl PATCH] ndctl: fallback to sysconf for PAGE_SIZE
On ARM and PowerPC PAGE_SIZE is not defined. Fall back to sysconf().
Signed-off-by: Dan Williams <dan.j.williams(a)intel.com>
---
ndctl/ndctl.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/ndctl/ndctl.h b/ndctl/ndctl.h
index eb5a9b387b3d..ebd2a41cce46 100644
--- a/ndctl/ndctl.h
+++ b/ndctl/ndctl.h
@@ -16,6 +16,7 @@
#include <ccan/array_size/array_size.h>
#include <linux/types.h>
#include <sys/user.h>
+#include <unistd.h>
struct nd_cmd_dimm_flags {
__u32 status;
@@ -210,9 +211,13 @@ enum nd_driver_flags {
ND_DRIVER_DAX_PMEM = 1 << ND_DEVICE_DAX_PMEM,
};
+#ifdef PAGE_SIZE
enum {
ND_MIN_NAMESPACE_SIZE = PAGE_SIZE,
};
+#else
+#define ND_MIN_NAMESPACE_SIZE ((unsigned) sysconf(_SC_PAGESIZE))
+#endif
enum ars_masks {
ARS_STATUS_MASK = 0x0000FFFF,