diff --git a/configs/sama5d4-ek/README.txt b/configs/sama5d4-ek/README.txt
index a6f6d8d87b..a00ca46c5b 100644
--- a/configs/sama5d4-ek/README.txt
+++ b/configs/sama5d4-ek/README.txt
@@ -3689,6 +3689,10 @@ Configurations
       System Type -> Architecture Options
         CONFIG_ARCH_ADDRENV=n                  : Disable address environment support
 
+      System Type -> Heap Configuration
+        CONFIG_SAMA5_DDRCS_RESERVE=n           : Don't reserve any page cache memory
+        CONFIG_SAMA5_DDRCS_PGHEAP=n            : Don't try to set up the page allocator
+
       Memory Management
         CONFIG_GRAN=n                          : Disable the granule allocator 
         CONFIG_MM_PGALLOC=n                    : Disable the page allocator
diff --git a/configs/sama5d4-ek/elf/defconfig b/configs/sama5d4-ek/elf/defconfig
index a940d98b23..6affa1a3b1 100644
--- a/configs/sama5d4-ek/elf/defconfig
+++ b/configs/sama5d4-ek/elf/defconfig
@@ -240,7 +240,10 @@ CONFIG_SAMA5_BOOT_SDRAM=y
 #
 CONFIG_SAMA5_ISRAM_HEAP=y
 CONFIG_SAMA5_DDRCS_RESERVE=y
-CONFIG_SAMA5_DDRCS_HEAP_END=0x2fa00000
+CONFIG_SAMA5_DDRCS_HEAP_END=0x28000000
+CONFIG_SAMA5_DDRCS_PGHEAP=y
+CONFIG_SAMA5_DDRCS_PGHEAP_OFFSET=0x28000000
+CONFIG_SAMA5_DDRCS_PGHEAP_SIZE=134217728
 
 #
 # Architecture Options