change all memory size variables to long ints

darshan-runtime/darshan-core.h

@@ -50,7 +50,7 @@
 
 /* Maximum amount of memory per instrumentation module in MiB */
 #ifdef __DARSHAN_MOD_MEM_MAX
-#define DARSHAN_MOD_MEM_MAX (__DARSHAN_MOD_MEM_MAX * 1024 * 1024)
+#define DARSHAN_MOD_MEM_MAX (__DARSHAN_MOD_MEM_MAX * 1024L * 1024L)
 #else
 #define DARSHAN_MOD_MEM_MAX (2 * 1024 * 1024) /* 2 MiB default */
 #endif
@@ -82,7 +82,7 @@ struct darshan_core_module
 {
     void *rec_buf_start;
     void *rec_buf_p;
-    int rec_mem_avail;
+    long rec_mem_avail;
     darshan_module_funcs mod_funcs;
 };
 
@@ -107,9 +107,9 @@ struct darshan_core_runtime
 
     /* darshan-core internal data structures */
     struct darshan_core_module* mod_array[DARSHAN_MAX_MODS];
-    int mod_mem_used;
+    long mod_mem_used;
     struct darshan_core_name_record_ref *name_hash;
-    int name_mem_used; 
+    long name_mem_used;
     double wtime_offset;
     char *comp_buf;
 #ifdef __DARSHAN_ENABLE_MMAP_LOGS

darshan-runtime/lib/darshan-core.c

@@ -2152,8 +2152,8 @@ void darshan_core_register_module(
     int *sys_mem_alignment)
 {
     struct darshan_core_module* mod;
-    int mod_mem_req = *inout_mod_buf_size;
-    int mod_mem_avail;
+    long mod_mem_req = *inout_mod_buf_size;
+    long mod_mem_avail;
 
     *inout_mod_buf_size = 0;
 

darshan-runtime/lib/darshan-dxt.c

@@ -38,7 +38,7 @@ typedef int64_t off64_t;
 
 /* maximum amount of memory to use for storing DXT records */
 #ifdef __DARSHAN_MOD_MEM_MAX
-#define DXT_IO_TRACE_MEM_MAX (__DARSHAN_MOD_MEM_MAX * 1024 * 1024)
+#define DXT_IO_TRACE_MEM_MAX (__DARSHAN_MOD_MEM_MAX * 1024L * 1024L)
 #else
 #define DXT_IO_TRACE_MEM_MAX (4 * 1024 * 1024) /* 4 MiB default */
 #endif
@@ -166,8 +166,8 @@ static pthread_mutex_t dxt_runtime_mutex =
             PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
 
 static int dxt_my_rank = -1;
-static int dxt_total_mem = DXT_IO_TRACE_MEM_MAX;
-static int dxt_mem_remaining = 0;
+static long dxt_total_mem = DXT_IO_TRACE_MEM_MAX;
+static long dxt_mem_remaining = 0;
 
 #define MAX_DXT_TRIGGERS 20
 static int num_dxt_triggers = 0;