diff --git a/core/hw/mem/_vmem.cpp b/core/hw/mem/_vmem.cpp
index e19e74ed2..9ab17f680 100644
--- a/core/hw/mem/_vmem.cpp
+++ b/core/hw/mem/_vmem.cpp
@@ -3,9 +3,7 @@
 #include "hw/pvr/pvr_mem.h"
 #include "hw/sh4/dyna/blockmanager.h"
 #include "hw/sh4/sh4_mem.h"
-#if defined(__SWITCH__)
-#include <malloc.h>
-#endif
+#include "oslib/oslib.h"
 
 #define HANDLER_MAX 0x1F
 #define HANDLER_COUNT (HANDLER_MAX+1)
@@ -360,20 +358,14 @@ u8* virt_ram_base;
 bool vmem_4gb_space;
 static VMemType vmemstatus = MemTypeError;
 
-static void* malloc_pages(size_t size) {
-#ifdef _WIN32
-	return _aligned_malloc(size, PAGE_SIZE);
-#elif defined(_ISOC11_SOURCE)
-	return aligned_alloc(PAGE_SIZE, size);
-#elif defined(__SWITCH__)
-   return memalign(PAGE_SIZE, size);
-#else
-	void *data;
-	if (posix_memalign(&data, PAGE_SIZE, size) != 0)
-		return NULL;
-	else
-		return data;
-#endif
+static void *malloc_pages(size_t size)
+{
+	return allocAligned(PAGE_SIZE, size);
+}
+
+static void free_pages(void *p)
+{
+	freeAligned(p);
 }
 
 #if FEAT_SHREC != DYNAREC_NONE
@@ -449,27 +441,16 @@ bool _vmem_reserve()
 
 static void _vmem_term_mappings()
 {
-	if (vmemstatus == MemTypeError) {
-		if (p_sh4rcb != NULL)
-		{
-			free(p_sh4rcb);
-			p_sh4rcb = NULL;
-		}
-		if (mem_b.data != NULL)
-		{
-			free(mem_b.data);
-			mem_b.data = NULL;
-		}
-		if (vram.data != NULL)
-		{
-			free(vram.data);
-			vram.data = NULL;
-		}
-		if (aica_ram.data != NULL)
-		{
-			free(aica_ram.data);
-			aica_ram.data = NULL;
-		}
+	if (vmemstatus == MemTypeError)
+	{
+		free_pages(p_sh4rcb);
+		p_sh4rcb = nullptr;
+		free_pages(mem_b.data);
+		mem_b.data = nullptr;
+		free_pages(vram.data);
+		vram.data = nullptr;
+		free_pages(aica_ram.data);
+		aica_ram.data = nullptr;
 	}
 }
 
@@ -593,9 +574,6 @@ void _vmem_init_mappings()
 			ARAM_SIZE / 1024 / 1024, aica_ram.data);
 }
 
-#define freedefptr(x) \
-	if (x) { free(x); x = NULL; }
-
 void _vmem_release()
 {
 	if (virt_ram_base)
@@ -606,10 +584,7 @@ void _vmem_release()
 	else
 	{
 		_vmem_unprotect_vram(0, VRAM_SIZE);
-		freedefptr(p_sh4rcb);
-		freedefptr(vram.data);
-		freedefptr(aica_ram.data);
-		freedefptr(mem_b.data);
+		_vmem_term_mappings();
 	}
 	vmemstatus = MemTypeError;
 }
diff --git a/core/hw/pvr/ta_ctx.cpp b/core/hw/pvr/ta_ctx.cpp
index 768a1dae1..90256e88d 100644
--- a/core/hw/pvr/ta_ctx.cpp
+++ b/core/hw/pvr/ta_ctx.cpp
@@ -1,9 +1,6 @@
 #include "ta_ctx.h"
 #include "spg.h"
 #include "cfg/option.h"
-#if defined(__SWITCH__)
-#include <malloc.h>
-#endif
 #include "Renderer_if.h"
 
 extern u32 fskip;
@@ -16,37 +13,6 @@ tad_context ta_tad;
 TA_context*  vd_ctx;
 rend_context vd_rc;
 
-// helper for 32 byte aligned memory allocation
-void* OS_aligned_malloc(size_t align, size_t size)
-{
-#ifdef __MINGW32__
-	return __mingw_aligned_malloc(size, align);
-#elif defined(_WIN32)
-	return _aligned_malloc(size, align);
-#elif defined(__SWITCH__)
-   return memalign(align, size);
-#else
-	void *result;
-	if (posix_memalign(&result, align, size))
-		return NULL;
-	else
-		return result;
-#endif
-}
-
-// helper for 32 byte aligned memory de-allocation
-void OS_aligned_free(void *ptr)
-{
-#ifdef __MINGW32__
-	__mingw_aligned_free(ptr);
-#elif defined(_WIN32)
-	_aligned_free(ptr);
-#else
-	free(ptr);
-#endif
-}
-
-
 void SetCurrentTARC(u32 addr)
 {
 	if (addr != TACTX_NONE)
diff --git a/core/hw/pvr/ta_ctx.h b/core/hw/pvr/ta_ctx.h
index c28593232..7de03380f 100644
--- a/core/hw/pvr/ta_ctx.h
+++ b/core/hw/pvr/ta_ctx.h
@@ -4,15 +4,10 @@
 #include "pvr_regs.h"
 #include "helper_classes.h"
 #include "stdclass.h"
+#include "oslib/oslib.h"
 
 #include <mutex>
 
-// helper for 32 byte aligned memory allocation
-void* OS_aligned_malloc(size_t align, size_t size);
-
-// helper for 32 byte aligned memory de-allocation
-void OS_aligned_free(void *ptr);
-
 class BaseTextureCacheData;
 
 //Vertex storage types
@@ -208,7 +203,7 @@ struct TA_context
 
 	void Alloc()
 	{
-		tad.Reset((u8*)OS_aligned_malloc(32, TA_DATA_SIZE));
+		tad.Reset((u8*)allocAligned(32, TA_DATA_SIZE));
 
 		rend.verts.InitBytes(4 * 1024 * 1024, &rend.Overrun, "verts");	//up to 4 mb of vtx data/frame = ~ 96k vtx/frame
 		rend.idx.Init(120 * 1024, &rend.Overrun, "idx");				//up to 120K indexes ( idx have stripification overhead )
@@ -238,7 +233,7 @@ struct TA_context
 	void Free()
 	{
 		verify(tad.End() - tad.thd_root <= TA_DATA_SIZE);
-		OS_aligned_free(tad.thd_root);
+		freeAligned(tad.thd_root);
 		rend.verts.Free();
 		rend.idx.Free();
 		rend.global_param_op.Free();
diff --git a/core/oslib/oslib.cpp b/core/oslib/oslib.cpp
index 8f43e596a..14e760c1f 100644
--- a/core/oslib/oslib.cpp
+++ b/core/oslib/oslib.cpp
@@ -19,6 +19,9 @@
 #include "oslib.h"
 #include "stdclass.h"
 #include "cfg/cfg.h"
+#if defined(__SWITCH__)
+#include <malloc.h>
+#endif
 
 namespace hostfs
 {
@@ -127,3 +130,28 @@ std::string getBiosFontPath()
 }
 
 }
+
+void *allocAligned(size_t alignment, size_t size)
+{
+#ifdef _WIN32
+	return _aligned_malloc(size, alignment);
+#elif defined(__SWITCH__)
+   return memalign(alignment, size);
+#else
+	void *data;
+	if (posix_memalign(&data, alignment, size) != 0)
+		return nullptr;
+	else
+		return data;
+#endif
+}
+
+void freeAligned(void *p)
+{
+#ifdef _WIN32
+	_aligned_free(p);
+#else
+	free(p);
+#endif
+}
+
diff --git a/core/oslib/oslib.h b/core/oslib/oslib.h
index 939092981..db3ec21c0 100644
--- a/core/oslib/oslib.h
+++ b/core/oslib/oslib.h
@@ -9,6 +9,9 @@ void os_CreateWindow();
 void os_SetupInput();
 void os_InstallFaultHandler();
 void os_UninstallFaultHandler();
+void *allocAligned(size_t alignment, size_t size);
+void freeAligned(void *p);
+
 
 #ifdef _MSC_VER
 #include <intrin.h>