[Libguestfs] [PATCH] tools: fix free -m invocation

Since procps 3.3.10, free does not output the "-/+ buffers/cache" line anymore. On the other hand, the data from it can be calculated from the memory values, so just do the calculation manually (with awk). --- df/estimate-max-threads.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/df/estimate-max-threads.c b/df/estimate-max-threads.c index bbcdd73..7d5b090 100644 --- a/df/estimate-max-threads.c +++ b/df/estimate-max-threads.c @@ -44,7 +44,7 @@ estimate_max_threads (void) /* Choose the number of threads based on the amount of free memory. */ mbytes_str = read_line_from ("LANG=C free -m | " - "grep 'buffers/cache' | awk '{print $NF}'"); + "grep '^Mem' | awk '{print $4+$6+$7}'"); if (mbytes_str == NULL) return 1; -- 1.9.3