diff --git a/deviate.c b/deviate.c
index c9ae3c0c..3d3d450c 100644
--- a/deviate.c
+++ b/deviate.c
@@ -465,6 +465,9 @@ calcdiff(struct tstat *devstat, const struct tstat *curstat,
 	devstat->mem.vmem   = curstat->mem.vmem;
 	devstat->mem.rmem   = curstat->mem.rmem;
 	devstat->mem.pmem   = curstat->mem.pmem;
+	devstat->mem.panon  = curstat->mem.panon;
+	devstat->mem.pfile  = curstat->mem.pfile;
+	devstat->mem.pshmem = curstat->mem.pshmem;
 	devstat->mem.vdata  = curstat->mem.vdata;
 	devstat->mem.vstack = curstat->mem.vstack;
 	devstat->mem.vlibs  = curstat->mem.vlibs;
diff --git a/man/atop.1 b/man/atop.1
index 3c889128..e31a7fde 100644
--- a/man/atop.1
+++ b/man/atop.1
@@ -2012,6 +2012,18 @@ since the proportional memory size is not part of the standard
 process accounting record.
 .PP
 .TP 9
+.B PANON
+The proportional memory size of this process, shares of anonymous pages.
+.PP
+.TP 9
+.B PFILE
+The proportional memory size of this process, shares of file pages.
+.PP
+.TP 9
+.B PSHMEM
+The proportional memory size of this process, shares of shmem pages.
+.PP
+.TP 9
 .B RDDSK 
 The read data transfer issued physically on disk (so reading from the
 disk cache is not accounted for).
diff --git a/parseable.c b/parseable.c
index 6c5a8a71..3518e594 100644
--- a/parseable.c
+++ b/parseable.c
@@ -820,7 +820,8 @@ print_PRM(char *hp, struct sstat *ss, struct tstat *ps, int nact)
 	for (i=0; i < nact; i++, ps++)
 	{
 		printf("%s %d %s %c %u %lld %lld %lld %lld %lld %lld "
-		       "%lld %lld %lld %lld %lld %d %c %lld %lld %d %d %d %d\n",
+		       "%lld %lld %lld %lld %lld %d %c %lld %lld %lld "
+		       "%lld %lld %d %d %d %d\n",
 			hp,
 			ps->gen.pid,
 			spaceformat(ps->gen.name, namout),
@@ -841,6 +842,12 @@ print_PRM(char *hp, struct sstat *ss, struct tstat *ps, int nact)
 			ps->gen.isproc ? 'y':'n',
 			ps->mem.pmem == (unsigned long long)-1LL ?
 							0:ps->mem.pmem,
+			ps->mem.panon == (unsigned long long)-1LL ?
+							0:ps->mem.panon,
+			ps->mem.pfile == (unsigned long long)-1LL ?
+							0:ps->mem.pfile,
+			ps->mem.pshmem == (unsigned long long)-1LL ?
+							0:ps->mem.pshmem,
 			ps->mem.vlock,
 			cgroupv2max(ps->gen.isproc, ps->mem.cgmemmax),
 			cgroupv2max(ps->gen.isproc, ps->mem.cgmemmaxr),
diff --git a/photoproc.c b/photoproc.c
index 5219f80d..76269ca0 100644
--- a/photoproc.c
+++ b/photoproc.c
@@ -885,7 +885,7 @@ procsmaps(struct tstat *curtask)
 {
 	FILE	*fp;
 	char	line[4096];
-	count_t	pssval;
+	count_t	pssval, panon, pfile, pshmem;
 	static int procsmaps_firstcall = 1;
 	static char *smapsfile = "smaps";
 
@@ -908,16 +908,41 @@ procsmaps(struct tstat *curtask)
 
 	if ( (fp = fopen(smapsfile, "r")) )
 	{
-		curtask->mem.pmem = 0;
+		curtask->mem.pmem   = 0;
+		curtask->mem.panon  = 0;
+		curtask->mem.pfile  = 0;
+		curtask->mem.pshmem = 0;
 
 		while (fgets(line, sizeof line, fp))
 		{
-			if (memcmp(line, "Pss:", 4) != 0)
+			if (memcmp(line, "Pss:", 4) == 0)
+			{
+				// PSS line found to be accumulated
+				sscanf(line, "Pss: %llu", &pssval);
+				curtask->mem.pmem += pssval;
 				continue;
-
-			// PSS line found to be accumulated
-			sscanf(line, "Pss: %llu", &pssval);
-			curtask->mem.pmem += pssval;
+			}
+			if (memcmp(line, "Pss_Anon:", 9) == 0)
+			{
+				// proportional shares of anonymous pages
+				sscanf(line, "Pss_Anon: %llu", &panon);
+				curtask->mem.panon += panon;
+				continue;
+			}
+			if (memcmp(line, "Pss_File:", 9) == 0)
+			{
+				// proportional shares of file pages
+				sscanf(line, "Pss_File: %llu", &pfile);
+				curtask->mem.pfile += pfile;
+				continue;
+			}
+			if (memcmp(line, "Pss_Shmem:", 10) == 0)
+			{
+				// proportional shares of shmem pages
+				sscanf(line, "Pss_Shmem: %llu", &pshmem);
+				curtask->mem.pshmem += pshmem;
+				continue;
+			}
 		}
 
 		/*
@@ -930,7 +955,10 @@ procsmaps(struct tstat *curtask)
 	}
 	else
 	{
-		curtask->mem.pmem = (unsigned long long)-1LL;
+		curtask->mem.pmem   = (unsigned long long)-1LL;
+		curtask->mem.panon  = (unsigned long long)-1LL;
+		curtask->mem.pfile  = (unsigned long long)-1LL;
+		curtask->mem.pshmem = (unsigned long long)-1LL;
 	}
 
 	if (! droprootprivs())
diff --git a/photoproc.h b/photoproc.h
index b20e2654..d389c326 100644
--- a/photoproc.h
+++ b/photoproc.h
@@ -109,7 +109,10 @@ struct tstat {
 		count_t	vexec;		/* virtmem execfile (Kb)        */
 		count_t	vmem;		/* virtual  memory  (Kb)	*/
 		count_t	rmem;		/* resident memory  (Kb)	*/
-		count_t	pmem;		/* resident memory  (Kb)	*/
+		count_t	pmem;		/* proportional memory  (Kb)	*/
+		count_t	panon;		/* proportional shares of anonymous pages (Kb)	*/
+		count_t	pfile;		/* proportional shares of file pages (Kb)	*/
+		count_t	pshmem;		/* proportional shares of shmem pages (Kb)	*/
 		count_t vgrow;		/* virtual  growth  (Kb)    	*/
 		count_t rgrow;		/* resident growth  (Kb)     	*/
 		count_t vdata;		/* virtmem data     (Kb)     	*/
diff --git a/showgeneric.c b/showgeneric.c
index fd49270a..0bf4469d 100644
--- a/showgeneric.c
+++ b/showgeneric.c
@@ -2542,9 +2542,19 @@ accumulate(struct tstat *curproc, struct tstat *curstat)
 		if (curstat->mem.pmem != -1)
 		{
 			if  (curproc->mem.pmem != -1)  // no errors?
-				curstat->mem.pmem += curproc->mem.pmem;
+			{
+				curstat->mem.pmem   += curproc->mem.pmem;
+				curstat->mem.panon  += curproc->mem.panon;
+				curstat->mem.pfile  += curproc->mem.pfile;
+				curstat->mem.pshmem += curproc->mem.pshmem;
+			}
 			else
-				curstat->mem.pmem  = -1;
+			{
+				curstat->mem.pmem   = -1;
+				curstat->mem.panon  = -1;
+				curstat->mem.pfile  = -1;
+				curstat->mem.pshmem = -1;
+			}
 		}
 
 		curstat->mem.vmem   += curproc->mem.vmem;
diff --git a/showlinux.c b/showlinux.c
index f1de2d29..9b4ef156 100644
--- a/showlinux.c
+++ b/showlinux.c
@@ -402,6 +402,9 @@ proc_printdef *allprocpdefs[]=
 	&procprt_VSIZE,
 	&procprt_RSIZE,
 	&procprt_PSIZE,
+	&procprt_PANON,
+	&procprt_PFILE,
+	&procprt_PSHMEM,
 	&procprt_VSLIBS,
 	&procprt_VDATA,
 	&procprt_VSTACK,
@@ -1265,8 +1268,8 @@ priphead(int curlist, int totlist, char *showtype, char *showorder,
                 make_proc_prints(memprocs, MAXITEMS, 
                         "PID:10 TID:3 MINFLT:2 MAJFLT:2 VSTEXT:4 VSLIBS:4 "
 			"VDATA:4 VSTACK:4 LOCKSZ:3 VSIZE:6 RSIZE:7 PSIZE:5 "
-                        "VGROW:7 RGROW:8 SWAPSZ:5 RUID:1 EUID:0 "
-                        "SORTITEM:9 CMD:10", 
+                        "PANON:2 PFILE:2 PSHMEM:2 VGROW:7 RGROW:8 SWAPSZ:5 "
+                        "RUID:1 EUID:0 SORTITEM:9 CMD:10",
                         "built-in memprocs");
 
                 make_proc_prints(schedprocs, MAXITEMS, 
diff --git a/showlinux.h b/showlinux.h
index f275a82a..70030349 100644
--- a/showlinux.h
+++ b/showlinux.h
@@ -397,6 +397,9 @@ extern proc_printdef procprt_VSTEXT;
 extern proc_printdef procprt_VSIZE;
 extern proc_printdef procprt_RSIZE;
 extern proc_printdef procprt_PSIZE;
+extern proc_printdef procprt_PANON;
+extern proc_printdef procprt_PFILE;
+extern proc_printdef procprt_PSHMEM;
 extern proc_printdef procprt_VSLIBS;
 extern proc_printdef procprt_VDATA;
 extern proc_printdef procprt_VSTACK;
diff --git a/showprocs.c b/showprocs.c
index f97628e3..985dd3b3 100644
--- a/showprocs.c
+++ b/showprocs.c
@@ -83,6 +83,12 @@ char *procprt_RSIZE_a(struct tstat *, int, int);
 char *procprt_RSIZE_e(struct tstat *, int, int);
 char *procprt_PSIZE_a(struct tstat *, int, int);
 char *procprt_PSIZE_e(struct tstat *, int, int);
+char *procprt_PANON_a(struct tstat *, int, int);
+char *procprt_PANON_e(struct tstat *, int, int);
+char *procprt_PFILE_a(struct tstat *, int, int);
+char *procprt_PFILE_e(struct tstat *, int, int);
+char *procprt_PSHMEM_a(struct tstat *, int, int);
+char *procprt_PSHMEM_e(struct tstat *, int, int);
 char *procprt_VSLIBS_a(struct tstat *, int, int);
 char *procprt_VSLIBS_e(struct tstat *, int, int);
 char *procprt_VDATA_a(struct tstat *, int, int);
@@ -836,6 +842,69 @@ proc_printdef procprt_PSIZE =
    { " PSIZE", "PSIZE", procprt_PSIZE_a, procprt_PSIZE_e, 6 };
 /***************************************************************/
 char *
+procprt_PANON_a(struct tstat *curstat, int avgval, int nsecs)
+{
+        static char buf[10];
+
+	if (curstat->mem.panon == (unsigned long long)-1LL)
+		return "    ?K";
+
+        val2memstr(curstat->mem.panon*1024, buf, BFORMAT, 0, 0);
+        return buf;
+}
+
+char *
+procprt_PANON_e(struct tstat *curstat, int avgval, int nsecs)
+{
+        return "    0K";
+}
+
+proc_printdef procprt_PANON =
+   { " PANON", "PANON", procprt_PANON_a, procprt_PANON_e, 6 };
+/***************************************************************/
+char *
+procprt_PFILE_a(struct tstat *curstat, int avgval, int nsecs)
+{
+        static char buf[10];
+
+	if (curstat->mem.pfile == (unsigned long long)-1LL)
+		return "    ?K";
+
+        val2memstr(curstat->mem.pfile*1024, buf, BFORMAT, 0, 0);
+        return buf;
+}
+
+char *
+procprt_PFILE_e(struct tstat *curstat, int avgval, int nsecs)
+{
+        return "    0K";
+}
+
+proc_printdef procprt_PFILE =
+   { " PFILE", "PFILE", procprt_PFILE_a, procprt_PFILE_e, 6 };
+/***************************************************************/
+char *
+procprt_PSHMEM_a(struct tstat *curstat, int avgval, int nsecs)
+{
+        static char buf[10];
+
+	if (curstat->mem.pshmem == (unsigned long long)-1LL)
+		return "    ?K";
+
+        val2memstr(curstat->mem.pshmem*1024, buf, BFORMAT, 0, 0);
+        return buf;
+}
+
+char *
+procprt_PSHMEM_e(struct tstat *curstat, int avgval, int nsecs)
+{
+        return "    0K";
+}
+
+proc_printdef procprt_PSHMEM =
+   { "PSHMEM", "PSHMEM", procprt_PSHMEM_a, procprt_PSHMEM_e, 6 };
+/***************************************************************/
+char *
 procprt_VSLIBS_a(struct tstat *curstat, int avgval, int nsecs)
 {
         static char buf[10];