1 files changed, 4 insertions, 0 deletions

diff --git a/libbb/procps.c b/libbb/procps.c
index 44103fae8..252e9c772 100644
--- a/libbb/procps.c
+++ b/libbb/procps.c
@@ -115,7 +115,11 @@ extern procps_status_t * procps_scan(int save_user_arg0
                 else
                         curstatus.state[2] = ' ';
 
+#ifdef PAGE_SHIFT
                 curstatus.rss <<= (PAGE_SHIFT - 10);     /* 2**10 = 1kb */
+#else
+                curstatus.rss *= (getpagesize() >> 10);     /* 2**10 = 1kb */
+#endif
 
                 if(save_user_arg0) {
                         sprintf(status, "/proc/%d/cmdline", pid);