fixup! [PAL/Linux] Log a message on mmap() returning -ENOMEM

Signed-off-by: Kailun Qin <[email protected]>

pal/src/host/linux/pal_memory.c

@@ -40,9 +40,9 @@ int _PalVirtualMemoryAlloc(void* addr, size_t size, pal_prot_flags_t prot) {
     if (IS_PTR_ERR(res_addr)) {
         int ret = PTR_TO_ERR(res_addr);
         if (ret == -ENOMEM && FIRST_TIME()) {
-            log_error("Host Linux returned -ENOMEM on mmap(); this may happen because process's "
-                      "maximum number of mappings is exceeded. Gramine cannot handle this case. "
-                      "You may want to increase the value in /proc/sys/vm/max_map_count.");
+            log_debug("Host Linux returned -ENOMEM on mmap(); this may happen because process's "
+                      "maximum number of mappings would be exceeded. Gramine cannot handle this "
+                      "case. You may want to increase the value in /proc/sys/vm/max_map_count.");
         }
 
         return unix_to_pal_error(ret);
@@ -57,7 +57,7 @@ int _PalVirtualMemoryFree(void* addr, size_t size) {
     int ret = DO_SYSCALL(munmap, addr, size);
     if (ret == -ENOMEM && FIRST_TIME()) {
         log_error("Host Linux returned -ENOMEM on munmap(); this may happen because process's "
-                  "maximum number of mappings is exceeded. Gramine cannot handle this case. "
+                  "maximum number of mappings would be exceeded. Gramine cannot handle this case. "
                   "You may want to increase the value in /proc/sys/vm/max_map_count.");
     }
     return ret < 0 ? unix_to_pal_error(ret) : 0;