Patch from Atsushi Nemoto, recent MIPS kernel headers
does not provide PAGE_SHIFT for userland (because now mips-linux kernel
supports PAGESIZE other than 4K).
diff --git a/libbb/procps.c b/libbb/procps.c
index 44103fa..252e9c7 100644
--- a/libbb/procps.c
+++ b/libbb/procps.c
@@ -115,7 +115,11 @@
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);