diff --git a/arm9/source/patches.c b/arm9/source/patches.c
index 3b308f2..a22e85c 100644
--- a/arm9/source/patches.c
+++ b/arm9/source/patches.c
@@ -139,8 +139,8 @@ u32 installK11Extension(u8 *pos, u32 size, bool needToInitSd, u32 baseK11VA, u32
     static const u8 patternHook3_4[] = {0x00, 0x00, 0xA0, 0xE1, 0x03, 0xF0, 0x20, 0xE3, 0xFD, 0xFF, 0xFF, 0xEA}; //SGI0 setup code, etc.
 
     //Our kernel11 extension is initially loaded in VRAM
-    //u32 kextTotalSize = *(u32 *)0x18000020 - K11EXT_VA;
-    u32 stolenSystemMemRegionSize = ISN3DS ? 0 : 0 << 10; // no need to steal any mem on N3DS. Currently, everything fits in BASE on O3DS too (?)
+    u32 kextTotalSize = *(u32 *)0x18000020 - K11EXT_VA;
+    u32 stolenSystemMemRegionSize = kextTotalSize; // no need to steal any more mem on N3DS. Currently, everything fits in BASE on O3DS too (?)
     u32 dstKextPA = (ISN3DS ? 0x2E000000 : 0x26C00000) - stolenSystemMemRegionSize; // start of BASE memregion (note: linear heap ---> <--- the rest)
 
     u32 *hookVeneers = (u32 *)*freeK11Space;
diff --git a/k11_extension/source/main.c b/k11_extension/source/main.c
index d6f466f..0048189 100644
--- a/k11_extension/source/main.c
+++ b/k11_extension/source/main.c
@@ -288,10 +288,7 @@ void main(FcramLayout *layout, KCoreContext *ctxs)
     kextBasePa = p->basePA;
     stolenSystemMemRegionSize = p->stolenSystemMemRegionSize;
 
-    u32 kextSize = (u32)(__end__ - __start__);
     layout->systemSize -= stolenSystemMemRegionSize;
-    layout->baseAddr = layout->baseAddr - stolenSystemMemRegionSize + kextSize;
-    layout->baseSize = layout->baseSize + stolenSystemMemRegionSize - kextSize;
     fcramLayout = *layout;
     coreCtxs = ctxs;
 
@@ -313,4 +310,8 @@ void main(FcramLayout *layout, KCoreContext *ctxs)
 
     rosalinaState = 0;
     hasStartedRosalinaNetworkFuncsOnce = false;
+
+    // DSB, Flush Prefetch Buffer (more or less "isb")
+    __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 4" :: "r" (0) : "memory");
+    __asm__ __volatile__ ("mcr p15, 0, %0, c7, c5, 4" :: "r" (0) : "memory");
 }
diff --git a/sysmodules/rosalina/source/draw.c b/sysmodules/rosalina/source/draw.c
index 06ba87b..38958a2 100644
--- a/sysmodules/rosalina/source/draw.c
+++ b/sysmodules/rosalina/source/draw.c
@@ -140,7 +140,7 @@ u32 Draw_AllocateFramebufferCache(void)
     u32 remaining = (u32)osGetMemRegionFree(MEMREGION_SYSTEM);
     u32 size = remaining < maxSize ? remaining : maxSize;
  
-    if (size < minSize || R_FAILED(svcControlMemory(&tmp, addr, 0, size, MEMOP_ALLOC, MEMPERM_READ | MEMPERM_WRITE)))
+    if (size < minSize || R_FAILED(svcControlMemoryEx(&tmp, addr, 0, size, MEMOP_ALLOC, MEMREGION_SYSTEM | MEMPERM_READ | MEMPERM_WRITE, true)))
     {
         framebufferCache = NULL;
         framebufferCacheSize = 0;
diff --git a/sysmodules/rosalina/source/minisoc.c b/sysmodules/rosalina/source/minisoc.c
index e9d3d20..d52d48c 100644
--- a/sysmodules/rosalina/source/minisoc.c
+++ b/sysmodules/rosalina/source/minisoc.c
@@ -12,6 +12,7 @@
 #include <3ds/synchronization.h>
 #include <3ds/result.h>
 #include <string.h>
+#include "csvc.h"
 
 s32 miniSocRefCount = 0;
 static u32 socContextAddr = 0x08000000;
@@ -75,7 +76,7 @@ Result miniSocInit(void)
     ret = srvGetServiceHandle(&miniSocHandle, "soc:U");
     if(ret != 0) goto cleanup;
 
-    ret = svcControlMemory(&tmp, socContextAddr, 0, socContextSize, MEMOP_ALLOC, MEMPERM_READ | MEMPERM_WRITE);
+    ret = svcControlMemoryEx(&tmp, socContextAddr, 0, socContextSize, MEMOP_ALLOC, MEMREGION_SYSTEM | MEMPERM_READ | MEMPERM_WRITE, true);
     if(ret != 0) goto cleanup;
 
     socContextAddr = tmp;