gentoo-overlay/sys-process/numad/files/numad-0.5-fix-build-for-no-NR-migrate-pages.patch

From c24212bd2dfcfc7074500f07f87790062d9b8acb Mon Sep 17 00:00:00 2001
From: Kamal Mostafa <kamal@canonical.com>
Date: Tue, 1 Sep 2015 08:43:22 -0700
Subject: fix build for platforms with no __NR_migrate_pages syscall
Reviewed-by: Jeremías Casteglione <debian@jrms.com.ar>
Reviewed-by: Colin King <colin.king@canonical.com>

---
 numad.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/numad.c b/numad.c
index 4c85486..09c5c29 100644
--- a/numad.c
+++ b/numad.c
@@ -1022,6 +1022,8 @@ int bind_process_and_migrate_memory(process_data_p p) {
         free(namelist[namelist_ix]);
     }
     free(namelist);
+
+#if defined(__NR_migrate_pages)
     // Now move the memory to the target nodes....
     static unsigned long *dest_mask;
     static unsigned long *from_mask;
@@ -1083,6 +1085,10 @@ int bind_process_and_migrate_memory(process_data_p p) {
         p->process_MBs[max_from_node_id] = 0;
         prev_from_node_id = max_from_node_id;
     }
+#else // __NR_migrate_pages is not defined
+    numad_log(LOG_DEBUG, "Cannot move memory for PID %d: migrate_pages() system call not supported.\n", p->pid);
+#endif
+
     // Check pid still active
     snprintf(fname, FNAME_SIZE, "/proc/%d", p->pid);
     if (access(fname, F_OK) < 0) {
-- 
1.9.1