yocto-poky/meta/recipes-core/systemd/systemd/0008-util-bypass-unimplemented-_SC_PHYS_PAGES-system-conf.patch

From b45ea3bfd6635744c8a6b74d0ac701b44bb1d294 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Fri, 20 Feb 2015 05:19:37 +0000
Subject: [PATCH 08/11] util: bypass unimplemented _SC_PHYS_PAGES system
 configuration API on uclibc

Upstream-Status: Inappropriate [uclibc-specific]

Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 src/basic/util.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/basic/util.c b/src/basic/util.c
index 72f4665..cbbe3b1 100644
--- a/src/basic/util.c
+++ b/src/basic/util.c
@@ -6793,10 +6793,25 @@ uint64_t physical_memory(void) {
         /* We return this as uint64_t in case we are running as 32bit
          * process on a 64bit kernel with huge amounts of memory */
 
+#ifdef __UCLIBC__
+        char line[128];
+        FILE *f = fopen("/proc/meminfo", "r");
+        if (f == NULL)
+                return 0;
+        while (!feof(f) && fgets(line, sizeof(line)-1, f)) {
+                if (sscanf(line, "MemTotal: %l kB", &mem) == 1) {
+                        mem *= 1024;
+                        break;
+                }
+        }
+        fclose(f);
+        return (uint64_t) mem;
+#else
         mem = sysconf(_SC_PHYS_PAGES);
         assert(mem > 0);
 
         return (uint64_t) mem * (uint64_t) page_size();
+#endif
 }
 
 void hexdump(FILE *f, const void *p, size_t s) {
-- 
2.1.4