diff -uNr procps-ng-3.3.16/proc/sysinfo.c procps-ng-3.3.16.mod/proc/sysinfo.c
--- procps-ng-3.3.16/proc/sysinfo.c	2019-10-27 13:32:58.347231010 +0200
+++ procps-ng-3.3.16.mod/proc/sysinfo.c	2020-06-07 02:13:55.803923760 +0300
@@ -33,6 +33,9 @@
 #ifdef __CYGWIN__
 #include <sys/param.h>
 #endif
+#ifdef __ANDROID__
+#include <sys/sysinfo.h>
+#endif
 #include "alloc.h"
 #include "version.h"
 #include "sysinfo.h" /* include self to verify prototypes */
@@ -104,6 +107,18 @@
 
 /***********************************************************************/
 int uptime(double *restrict uptime_secs, double *restrict idle_secs) {
+#ifdef __ANDROID__
+    /* Android does not allow read access to /proc/uptime */
+    SET_IF_DESIRED(idle_secs, 0.);
+    struct sysinfo system_information;
+    if (sysinfo(&system_information) == 0) {
+        SET_IF_DESIRED(uptime_secs, (double) system_information.uptime);
+        return (double) system_information.uptime;
+    } else {
+        SET_IF_DESIRED(uptime_secs, 0.);
+        return 0;
+    }
+#else
     double up=0, idle=0;
     char *savelocale;
 
@@ -121,6 +136,7 @@
     SET_IF_DESIRED(uptime_secs, up);
     SET_IF_DESIRED(idle_secs, idle);
     return up;	/* assume never be zero seconds in practice */
+#endif
 }
 
 unsigned long getbtime(void) {
@@ -134,6 +150,7 @@
     /* /proc/stat can get very large on multi-CPU systems so we
        can't use FILE_TO_BUF */
     if (!(f = fopen(STAT_FILE, "r"))) {
+	return 0;
 	fputs(BAD_OPEN_MESSAGE, stderr);
 	fflush(NULL);
 	_exit(102);
@@ -193,7 +210,9 @@
   double up_1, up_2, seconds;
   unsigned long long jiffies;
   unsigned h;
+#ifndef __ANDROID__
   char *savelocale;
+#endif
   long hz;
 
 #ifdef _SC_CLK_TCK
@@ -204,8 +223,10 @@
 #endif
 
   wait_j = hirq_j = sirq_j = stol_j = 0;
+#ifndef __ANDROID__
   savelocale = strdup(setlocale(LC_NUMERIC, NULL));
   setlocale(LC_NUMERIC, "C");
+#endif
   do{
     FILE_TO_BUF(UPTIME_FILE,uptime_fd);  sscanf(buf, "%lf", &up_1);
     /* uptime(&up_1, NULL); */
@@ -214,8 +235,10 @@
     FILE_TO_BUF(UPTIME_FILE,uptime_fd);  sscanf(buf, "%lf", &up_2);
     /* uptime(&up_2, NULL); */
   } while((long long)( (up_2-up_1)*1000.0/up_1 )); /* want under 0.1% error */
+#ifndef __ANDROID__
   setlocale(LC_NUMERIC, savelocale);
   free(savelocale);
+#endif
   jiffies = user_j + nice_j + sys_j + other_j + wait_j + hirq_j + sirq_j + stol_j ;
   seconds = (up_1 + up_2) / 2;
   h = (unsigned)( (double)jiffies/seconds/smp_num_cpus );
@@ -445,6 +468,17 @@
 /***********************************************************************/
 void loadavg(double *restrict av1, double *restrict av5, double *restrict av15) {
     double avg_1=0, avg_5=0, avg_15=0;
+#ifdef __ANDROID__
+#define LOAD_INT(x)  (unsigned)((x) >> 16)
+#define LOAD_FRAC(x) (LOAD_INT(((x) & 65535) * 100) / 100.0f)
+
+    struct sysinfo system_information;
+    if (sysinfo(&system_information) == 0) {
+        avg_1 = LOAD_INT(system_information.loads[0]) + LOAD_FRAC(system_information.loads[0]);
+        avg_5 = LOAD_INT(system_information.loads[1]) + LOAD_FRAC(system_information.loads[1]);
+        avg_15 = LOAD_INT(system_information.loads[2]) + LOAD_FRAC(system_information.loads[2]);
+    }
+#else
     char *savelocale;
 
     FILE_TO_BUF(LOADAVG_FILE,loadavg_fd);
@@ -457,6 +491,7 @@
     }
     setlocale(LC_NUMERIC, savelocale);
     free(savelocale);
+#endif
     SET_IF_DESIRED(av1,  avg_1);
     SET_IF_DESIRED(av5,  avg_5);
     SET_IF_DESIRED(av15, avg_15);
@@ -791,27 +826,8 @@
     mem_used = kb_main_total - kb_main_free;
   kb_main_used = (unsigned long)mem_used;
 
-  /* zero? might need fallback for 2.6.27 <= kernel <? 3.14 */
   if (!kb_main_available) {
-#ifdef __linux__
-    if (linux_version_code < LINUX_VERSION(2, 6, 27))
-      kb_main_available = kb_main_free;
-    else {
-      FILE_TO_BUF(VM_MIN_FREE_FILE, vm_min_free_fd);
-      kb_min_free = (unsigned long) strtoull(buf,&tail,10);
-
-      watermark_low = kb_min_free * 5 / 4; /* should be equal to sum of all 'low' fields in /proc/zoneinfo */
-
-      mem_available = (signed long)kb_main_free - watermark_low
-      + kb_inactive_file + kb_active_file - MIN((kb_inactive_file + kb_active_file) / 2, watermark_low)
-      + kb_slab_reclaimable - MIN(kb_slab_reclaimable / 2, watermark_low);
-
-      if (mem_available < 0) mem_available = 0;
-      kb_main_available = (unsigned long)mem_available;
-    }
-#else
-      kb_main_available = kb_main_free;
-#endif /* linux */
+      kb_main_available = kb_main_free + kb_page_cache + kb_main_buffers;
   }
 }