diff --git a/src/core/libraries/gnmdriver/gnmdriver.cpp b/src/core/libraries/gnmdriver/gnmdriver.cpp
index e8560b2b8..25ac4921c 100644
--- a/src/core/libraries/gnmdriver/gnmdriver.cpp
+++ b/src/core/libraries/gnmdriver/gnmdriver.cpp
@@ -2804,7 +2804,7 @@ void RegisterlibSceGnmDriver(Core::Loader::SymbolsResolver* sym) {
     liverpool = std::make_unique<AmdGpu::Liverpool>();
     presenter = std::make_unique<Vulkan::Presenter>(*g_window, liverpool.get());
 
-    const int result = sceKernelGetCompiledSdkVersion(&sdk_version);
+    const s32 result = sceKernelGetCompiledSdkVersion(&sdk_version);
     if (result != ORBIS_OK) {
         sdk_version = 0;
     }
diff --git a/src/core/libraries/kernel/memory.cpp b/src/core/libraries/kernel/memory.cpp
index cbc5ad77e..8a0c91479 100644
--- a/src/core/libraries/kernel/memory.cpp
+++ b/src/core/libraries/kernel/memory.cpp
@@ -106,12 +106,6 @@ s32 PS4_SYSV_ABI sceKernelAvailableDirectMemorySize(u64 searchStart, u64 searchE
     if (physAddrOut == nullptr || sizeOut == nullptr) {
         return ORBIS_KERNEL_ERROR_EINVAL;
     }
-    if (searchEnd > sceKernelGetDirectMemorySize()) {
-        return ORBIS_KERNEL_ERROR_EINVAL;
-    }
-    if (searchEnd <= searchStart) {
-        return ORBIS_KERNEL_ERROR_ENOMEM;
-    }
 
     auto* memory = Core::Memory::Instance();
 
diff --git a/src/core/linker.cpp b/src/core/linker.cpp
index 4ccb9d943..69deb464f 100644
--- a/src/core/linker.cpp
+++ b/src/core/linker.cpp
@@ -108,10 +108,22 @@ void Linker::Execute(const std::vector<std::string> args) {
     static constexpr s64 InternalMemorySize = 0x1000000;
     void* addr_out{reinterpret_cast<void*>(KernelAllocBase)};
 
-    const s32 ret = Libraries::Kernel::sceKernelMapNamedFlexibleMemory(
-        &addr_out, InternalMemorySize, 3, 0, "SceKernelInternalMemory");
+    s32 ret = Libraries::Kernel::sceKernelMapNamedFlexibleMemory(&addr_out, InternalMemorySize, 3,
+                                                                 0, "SceKernelInternalMemory");
     ASSERT_MSG(ret == 0, "Unable to perform sceKernelInternalMemory mapping");
 
+    // Simulate libSceGnmDriver initialization, which maps a chunk of direct memory.
+    // Some games fail without accurately emulating this behavior.
+    s64 phys_addr{};
+    ret = Libraries::Kernel::sceKernelAllocateDirectMemory(
+        0, Libraries::Kernel::sceKernelGetDirectMemorySize(), 0x10000, 0x10000, 3, &phys_addr);
+    if (ret == 0) {
+        void* addr{reinterpret_cast<void*>(0xfe0000000)};
+        ret = Libraries::Kernel::sceKernelMapNamedDirectMemory(&addr, 0x10000, 0x13, 0, phys_addr,
+                                                               0x10000, "SceGnmDriver");
+    }
+    ASSERT_MSG(ret == 0, "Unable to emulate libSceGnmDriver initialization");
+
     main_thread.Run([this, module, args](std::stop_token) {
         Common::SetCurrentThreadName("GAME_MainThread");
         LoadSharedLibraries();
diff --git a/src/core/memory.cpp b/src/core/memory.cpp
index f88cede4e..cb80d6be4 100644
--- a/src/core/memory.cpp
+++ b/src/core/memory.cpp
@@ -655,7 +655,7 @@ int MemoryManager::DirectQueryAvailable(PAddr search_start, PAddr search_end, si
 
         if (dmem_area->second.GetEnd() > search_end) {
             // We need to trim remaining_size to ignore addresses beyond search_end
-            remaining_size = remaining_size > (search_start - dmem_area->second.base)
+            remaining_size = remaining_size > (dmem_area->second.GetEnd() - search_end)
                                  ? remaining_size - (dmem_area->second.GetEnd() - search_end)
                                  : 0;
         }