diff --git a/fusee/fusee-secondary/src/kernel_patches.c b/fusee/fusee-secondary/src/kernel_patches.c
index 3ace98067..a8b3cb54c 100644
--- a/fusee/fusee-secondary/src/kernel_patches.c
+++ b/fusee/fusee-secondary/src/kernel_patches.c
@@ -488,6 +488,13 @@ static const instruction_t MAKE_KERNEL_PATCH_NAME(700, svc_control_codememory)[]
 static const instruction_t MAKE_KERNEL_PATCH_NAME(800, svc_control_codememory)[] = {MAKE_NOP};
 static const instruction_t MAKE_KERNEL_PATCH_NAME(900, svc_control_codememory)[] = {MAKE_NOP};
 
+
+static const instruction_t MAKE_KERNEL_PATCH_NAME(500, system_memory_increase)[] = {0x52A3C008}; /* MOV W8,   #0x1E000000 */
+static const instruction_t MAKE_KERNEL_PATCH_NAME(600, system_memory_increase)[] = {0x52A3B008}; /* MOV W8,   #0x1D800000 */
+static const instruction_t MAKE_KERNEL_PATCH_NAME(700, system_memory_increase)[] = {0x52A3B008}; /* MOV W8,   #0x1D800000 */
+static const instruction_t MAKE_KERNEL_PATCH_NAME(800, system_memory_increase)[] = {0x52A3B013}; /* MOV W19,  #0x1D800000 */
+static const instruction_t MAKE_KERNEL_PATCH_NAME(900, system_memory_increase)[] = {0x52A3B013}; /* MOV W19,  #0x1D800000 */
+
 /* Hook Definitions. */
 static const kernel_patch_t g_kernel_patches_100[] = {
     {   /* Send Message Process ID Patch. */
@@ -600,6 +607,11 @@ static const kernel_patch_t g_kernel_patches_500[] = {
         .payload_num_instructions = sizeof(MAKE_KERNEL_PATCH_NAME(500, svc_control_codememory))/sizeof(instruction_t),
         .payload = MAKE_KERNEL_PATCH_NAME(500, svc_control_codememory),
         .patch_offset = 0x38C2C,
+    },
+    {   /* System Memory Increase Patch. */
+        .payload_num_instructions = sizeof(MAKE_KERNEL_PATCH_NAME(500, system_memory_increase))/sizeof(instruction_t),
+        .payload = MAKE_KERNEL_PATCH_NAME(500, system_memory_increase),
+        .patch_offset = 0x54E30,
     }
 };
 static const kernel_patch_t g_kernel_patches_600[] = {
@@ -623,6 +635,11 @@ static const kernel_patch_t g_kernel_patches_600[] = {
         .payload_num_instructions = sizeof(MAKE_KERNEL_PATCH_NAME(600, svc_control_codememory))/sizeof(instruction_t),
         .payload = MAKE_KERNEL_PATCH_NAME(600, svc_control_codememory),
         .patch_offset = 0x3A8CC,
+    },
+    {   /* System Memory Increase Patch. */
+        .payload_num_instructions = sizeof(MAKE_KERNEL_PATCH_NAME(600, system_memory_increase))/sizeof(instruction_t),
+        .payload = MAKE_KERNEL_PATCH_NAME(600, system_memory_increase),
+        .patch_offset = 0x57330,
     }
 };
 static const kernel_patch_t g_kernel_patches_700[] = {
@@ -646,6 +663,11 @@ static const kernel_patch_t g_kernel_patches_700[] = {
         .payload_num_instructions = sizeof(MAKE_KERNEL_PATCH_NAME(700, svc_control_codememory))/sizeof(instruction_t),
         .payload = MAKE_KERNEL_PATCH_NAME(700, svc_control_codememory),
         .patch_offset = 0x3C6E0,
+    },
+    {   /* System Memory Increase Patch. */
+        .payload_num_instructions = sizeof(MAKE_KERNEL_PATCH_NAME(700, system_memory_increase))/sizeof(instruction_t),
+        .payload = MAKE_KERNEL_PATCH_NAME(700, system_memory_increase),
+        .patch_offset = 0x57F98,
     }
 };
 
@@ -670,6 +692,11 @@ static const kernel_patch_t g_kernel_patches_800[] = {
         .payload_num_instructions = sizeof(MAKE_KERNEL_PATCH_NAME(800, svc_control_codememory))/sizeof(instruction_t),
         .payload = MAKE_KERNEL_PATCH_NAME(800, svc_control_codememory),
         .patch_offset = 0x3FAD0,
+    },
+    {   /* System Memory Increase Patch. */
+        .payload_num_instructions = sizeof(MAKE_KERNEL_PATCH_NAME(800, system_memory_increase))/sizeof(instruction_t),
+        .payload = MAKE_KERNEL_PATCH_NAME(800, system_memory_increase),
+        .patch_offset = 0x5F9A4,
     }
 };
 
@@ -694,6 +721,11 @@ static const kernel_patch_t g_kernel_patches_900[] = {
         .payload_num_instructions = sizeof(MAKE_KERNEL_PATCH_NAME(900, svc_control_codememory))/sizeof(instruction_t),
         .payload = MAKE_KERNEL_PATCH_NAME(900, svc_control_codememory),
         .patch_offset = 0x43DFC,
+    },
+    {   /* System Memory Increase Patch. */
+        .payload_num_instructions = sizeof(MAKE_KERNEL_PATCH_NAME(900, system_memory_increase))/sizeof(instruction_t),
+        .payload = MAKE_KERNEL_PATCH_NAME(900, system_memory_increase),
+        .patch_offset = 0x6493C,
     }
 };
 
diff --git a/stratosphere/pm/source/impl/pm_resource_manager.cpp b/stratosphere/pm/source/impl/pm_resource_manager.cpp
index 0babd157e..f07d09dec 100644
--- a/stratosphere/pm/source/impl/pm_resource_manager.cpp
+++ b/stratosphere/pm/source/impl/pm_resource_manager.cpp
@@ -38,8 +38,9 @@ namespace ams::pm::resource {
         constexpr size_t ExtraSystemSessionCount600  = 100;
         constexpr size_t ReservedMemorySize600       = 5 * Megabyte;
 
-        /* Atmosphere always allocates 24 extra megabytes for system usage. */
-        constexpr size_t ExtraSystemMemorySizeAtmosphere = 24 * Megabyte;
+        /* Atmosphere always allocates extra memory for system usage. */
+        constexpr size_t ExtraSystemMemorySizeAtmosphere    = 24 * Megabyte;
+        constexpr size_t ExtraSystemMemorySizeAtmosphere500 = 33 * Megabyte; /* Applet pool is 0x20100000 */
 
         /* Globals. */
         os::Mutex g_resource_limit_lock;
@@ -252,12 +253,14 @@ namespace ams::pm::resource {
 
         /* Adjust memory limits for atmosphere. */
         /* We take memory away from applet normally, but away from application on < 3.0.0 to avoid a rare hang on boot. */
-        for (size_t i = 0; i < spl::MemoryArrangement_Count; i++) {
-            g_memory_resource_limits[i][ResourceLimitGroup_System] += ExtraSystemMemorySizeAtmosphere;
-            if (hos_version >= hos::Version_300) {
-                g_memory_resource_limits[i][ResourceLimitGroup_Applet] -= ExtraSystemMemorySizeAtmosphere;
-            } else {
-                g_memory_resource_limits[i][ResourceLimitGroup_Application] -= ExtraSystemMemorySizeAtmosphere;
+        /* NOTE: On Version 5.0.0+, we cannot set the pools so simply. We must instead modify the kernel, which we do */
+        /* via patches in fusee-secondary. */
+        if (hos_version < hos::Version_600) {
+            const size_t extra_memory_size = hos_version == hos::Version_500 ? ExtraSystemMemorySizeAtmosphere500 : ExtraSystemMemorySizeAtmosphere;
+            const auto src_group = hos_version >= hos::Version_300 ? ResourceLimitGroup_Applet : ResourceLimitGroup_Application;
+            for (size_t i = 0; i < spl::MemoryArrangement_Count; i++) {
+                g_memory_resource_limits[i][ResourceLimitGroup_System] += extra_memory_size;
+                g_memory_resource_limits[i][src_group] -= extra_memory_size;
             }
         }