From b45ea3bfd6635744c8a6b74d0ac701b44bb1d294 Mon Sep 17 00:00:00 2001 From: Khem Raj 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 --- src/shared/util.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/src/shared/util.c b/src/shared/util.c index 72f4665..cbbe3b1 100644 --- a/src/shared/util.c +++ b/src/shared/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