--- old/src/jdk.management/unix/native/libmanagement_ext/OperatingSystemImpl.c	2020-05-20 18:03:36.322227327 -0700
+++ new/src/jdk.management/unix/native/libmanagement_ext/OperatingSystemImpl.c	2020-05-20 18:03:35.934219877 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2020, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -85,63 +85,7 @@
 // true = get available swap in bytes
 // false = get total swap in bytes
 static jlong get_total_or_available_swap_space_size(JNIEnv* env, jboolean available) {
-#ifdef __solaris__
-    long total, avail;
-    int nswap, i, count;
-    swaptbl_t *stbl;
-    char *strtab;
-
-    // First get the number of swap resource entries
-    if ((nswap = swapctl(SC_GETNSWP, NULL)) == -1) {
-        throw_internal_error(env, "swapctl failed to get nswap");
-        return -1;
-    }
-    if (nswap == 0) {
-        return 0;
-    }
-
-    // Allocate storage for resource entries
-    stbl = (swaptbl_t*) malloc(nswap * sizeof(swapent_t) +
-                               sizeof(struct swaptable));
-    if (stbl == NULL) {
-        JNU_ThrowOutOfMemoryError(env, 0);
-        return -1;
-    }
-
-    // Allocate storage for the table
-    strtab = (char*) malloc((nswap + 1) * MAXPATHLEN);
-    if (strtab == NULL) {
-        free(stbl);
-        JNU_ThrowOutOfMemoryError(env, 0);
-        return -1;
-    }
-
-    for (i = 0; i < (nswap + 1); i++) {
-      stbl->swt_ent[i].ste_path = strtab + (i * MAXPATHLEN);
-    }
-    stbl->swt_n = nswap + 1;
-
-    // Get the entries
-    if ((count = swapctl(SC_LIST, stbl)) < 0) {
-        free(stbl);
-        free(strtab);
-        throw_internal_error(env, "swapctl failed to get swap list");
-        return -1;
-    }
-
-    // Sum the entries to get total and free swap
-    total = 0;
-    avail = 0;
-    for (i = 0; i < count; i++) {
-      total += stbl->swt_ent[i].ste_pages;
-      avail += stbl->swt_ent[i].ste_free;
-    }
-
-    free(stbl);
-    free(strtab);
-    return available ? ((jlong)avail * page_size) :
-                       ((jlong)total * page_size);
-#elif defined(__linux__)
+#if defined(__linux__)
     int ret;
     FILE *fp;
     jlong total = 0, avail = 0;
@@ -183,37 +127,7 @@
 Java_com_sun_management_internal_OperatingSystemImpl_getCommittedVirtualMemorySize0
   (JNIEnv *env, jobject mbean)
 {
-#ifdef __solaris__
-    psinfo_t psinfo;
-    ssize_t result;
-    size_t remaining;
-    char* addr;
-    int fd;
-
-    fd = open64("/proc/self/psinfo", O_RDONLY, 0);
-    if (fd < 0) {
-        throw_internal_error(env, "Unable to open /proc/self/psinfo");
-        return -1;
-    }
-
-    addr = (char *)&psinfo;
-    for (remaining = sizeof(psinfo_t); remaining > 0;) {
-        result = read(fd, addr, remaining);
-        if (result < 0) {
-            if (errno != EINTR) {
-                close(fd);
-                throw_internal_error(env, "Unable to read /proc/self/psinfo");
-                return -1;
-            }
-        } else {
-            remaining -= result;
-            addr += result;
-        }
-    }
-
-    close(fd);
-    return (jlong) psinfo.pr_size * 1024;
-#elif defined(__linux__)
+#if defined(__linux__)
     FILE *fp;
     unsigned long vsize = 0;
 
@@ -286,7 +200,7 @@
      * BSDNOTE: FreeBSD implements _SC_CLK_TCK since FreeBSD 5, so
      *          add a magic to handle it
      */
-#if defined(__solaris__) || defined(_SC_CLK_TCK)
+#if defined(_SC_CLK_TCK)
     clk_tck = (jlong) sysconf(_SC_CLK_TCK);
 #elif defined(__linux__) || defined(_ALLBSD_SOURCE)
     clk_tck = 100;