From 085c8b6f253726ad547e7be84ff3f2b99701488b Mon Sep 17 00:00:00 2001 From: Khem Raj Date: Wed, 9 Nov 2016 19:38:07 -0800 Subject: [PATCH 09/19] util: bypass unimplemented _SC_PHYS_PAGES system configuration API on uclibc Upstream-Status: Inappropriate [uclibc-specific] Signed-off-by: Khem Raj --- src/basic/util.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/src/basic/util.c b/src/basic/util.c index c1b5ca1..4c62d43 100644 --- a/src/basic/util.c +++ b/src/basic/util.c @@ -742,6 +742,20 @@ uint64_t physical_memory(void) { * In order to support containers nicely that have a configured memory limit we'll take the minimum of the * physically reported amount of memory and the limit configured for the root cgroup, if there is any. */ +#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: %li kB", &mem) == 1) { + mem *= 1024; + break; + } + } + fclose(f); + return (uint64_t) mem; +#else sc = sysconf(_SC_PHYS_PAGES); assert(sc > 0); @@ -762,6 +776,7 @@ uint64_t physical_memory(void) { lim *= ps; return MIN(mem, lim); +#endif } uint64_t physical_memory_scale(uint64_t v, uint64_t max) { -- 2.10.2