void FreeAllocPagesLinuxMemArea(struct LinuxMemArea *psLinuxMemArea)
{
u32 ui32PageCount;
struct page **pvPageList;
u32 i;
PVR_ASSERT(psLinuxMemArea);
PVR_ASSERT(psLinuxMemArea->eAreaType == LINUX_MEM_AREA_ALLOC_PAGES);
#if defined(DEBUG_LINUX_MEM_AREAS)
DebugLinuxMemAreaRecordRemove(psLinuxMemArea);
#endif
ui32PageCount = RANGE_TO_PAGES(psLinuxMemArea->ui32ByteSize);
pvPageList = psLinuxMemArea->uData.sPageList.pvPageList;
#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
DebugMemAllocRecordRemove(DEBUG_MEM_ALLOC_TYPE_ALLOC_PAGES, pvPageList,
__FILE__, __LINE__);
#endif
for (i = 0; i < ui32PageCount; i++)
__free_pages(pvPageList[i], 0);
VFreeWrapper(psLinuxMemArea->uData.sPageList.pvPageList);
LinuxMemAreaStructFree(psLinuxMemArea);
}
struct LinuxMemArea *NewAllocPagesLinuxMemArea(u32 ui32Bytes,
u32 ui32AreaFlags)
{
struct LinuxMemArea *psLinuxMemArea;
u32 ui32PageCount;
struct page **pvPageList;
u32 i;
psLinuxMemArea = LinuxMemAreaStructAlloc();
if (!psLinuxMemArea)
goto failed_area_alloc;
ui32PageCount = RANGE_TO_PAGES(ui32Bytes);
pvPageList =
VMallocWrapper(sizeof(void *) * ui32PageCount, PVRSRV_HAP_CACHED);
if (!pvPageList)
goto failed_vmalloc;
for (i = 0; i < ui32PageCount; i++) {
pvPageList[i] = alloc_pages(GFP_KERNEL, 0);
if (!pvPageList[i])
goto failed_alloc_pages;
}
#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
DebugMemAllocRecordAdd(DEBUG_MEM_ALLOC_TYPE_ALLOC_PAGES,
pvPageList, NULL, 0, NULL, PAGE_ALIGN(ui32Bytes),
"unknown", 0);
#endif
psLinuxMemArea->eAreaType = LINUX_MEM_AREA_ALLOC_PAGES;
psLinuxMemArea->uData.sPageList.pvPageList = pvPageList;
psLinuxMemArea->ui32ByteSize = ui32Bytes;
#if defined(DEBUG_LINUX_MEM_AREAS)
DebugLinuxMemAreaRecordAdd(psLinuxMemArea, ui32AreaFlags);
#endif
return psLinuxMemArea;
failed_alloc_pages:
for (i--; i >= 0; i--)
__free_pages(pvPageList[i], 0);
VFreeWrapper(pvPageList);
failed_vmalloc:
LinuxMemAreaStructFree(psLinuxMemArea);
failed_area_alloc:
PVR_DPF(PVR_DBG_ERROR, "%s: failed", __func__);
return NULL;
}
void FreeVMallocLinuxMemArea(struct LinuxMemArea *psLinuxMemArea)
{
PVR_ASSERT(psLinuxMemArea);
PVR_ASSERT(psLinuxMemArea->eAreaType == LINUX_MEM_AREA_VMALLOC);
PVR_ASSERT(psLinuxMemArea->uData.sVmalloc.pvVmallocAddress);
#if defined(DEBUG_LINUX_MEM_AREAS)
DebugLinuxMemAreaRecordRemove(psLinuxMemArea);
#endif
PVR_DPF(PVR_DBG_MESSAGE, "%s: pvCpuVAddr: %p",
__func__,
psLinuxMemArea->uData.sVmalloc.pvVmallocAddress);
VFreeWrapper(psLinuxMemArea->uData.sVmalloc.pvVmallocAddress);
LinuxMemAreaStructFree(psLinuxMemArea);
}
void LinuxMMCleanup(void)
{
#if defined(DEBUG_LINUX_MEM_AREAS)
{
struct DEBUG_LINUX_MEM_AREA_REC *psCurrentRecord =
g_LinuxMemAreaRecords, *psNextRecord;
if (g_LinuxMemAreaCount)
PVR_DPF(PVR_DBG_ERROR, "%s: BUG!: "
"There are %d struct LinuxMemArea "
"allocation unfreed (%ld bytes)",
__func__, g_LinuxMemAreaCount,
g_LinuxMemAreaWaterMark);
while (psCurrentRecord) {
struct LinuxMemArea *psLinuxMemArea;
psNextRecord = psCurrentRecord->psNext;
psLinuxMemArea = psCurrentRecord->psLinuxMemArea;
PVR_DPF(PVR_DBG_ERROR, "%s: BUG!: "
"Cleaning up Linux memory area (%p), "
"type=%s, size=%ld bytes",
__func__, psCurrentRecord->psLinuxMemArea,
LinuxMemAreaTypeToString(psCurrentRecord->
psLinuxMemArea->
eAreaType),
psCurrentRecord->psLinuxMemArea->
ui32ByteSize);
LinuxMemAreaDeepFree(psLinuxMemArea);
psCurrentRecord = psNextRecord;
}
RemoveProcEntry("mem_areas");
}
#endif
#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
{
struct DEBUG_MEM_ALLOC_REC *psCurrentRecord =
g_MemoryRecords, *psNextRecord;
while (psCurrentRecord) {
psNextRecord = psCurrentRecord->psNext;
PVR_DPF(PVR_DBG_ERROR, "%s: BUG!: Cleaning up memory: "
"type=%s CpuVAddr=%p CpuPAddr=0x%08lx, "
"allocated @ file=%s,line=%d",
__func__,
DebugMemAllocRecordTypeToString
(psCurrentRecord->eAllocType),
psCurrentRecord->pvCpuVAddr,
psCurrentRecord->ulCpuPAddr,
psCurrentRecord->pszFileName,
psCurrentRecord->ui32Line);
switch (psCurrentRecord->eAllocType) {
case DEBUG_MEM_ALLOC_TYPE_KMALLOC:
KFreeWrapper(psCurrentRecord->pvCpuVAddr);
break;
case DEBUG_MEM_ALLOC_TYPE_IOREMAP:
IOUnmapWrapper((__force __iomem void *)
psCurrentRecord->pvCpuVAddr);
break;
case DEBUG_MEM_ALLOC_TYPE_IO:
DebugMemAllocRecordRemove
(DEBUG_MEM_ALLOC_TYPE_IO,
psCurrentRecord->pvKey, __FILE__,
__LINE__);
break;
case DEBUG_MEM_ALLOC_TYPE_VMALLOC:
VFreeWrapper(psCurrentRecord->pvCpuVAddr);
break;
case DEBUG_MEM_ALLOC_TYPE_ALLOC_PAGES:
DebugMemAllocRecordRemove
(DEBUG_MEM_ALLOC_TYPE_ALLOC_PAGES,
psCurrentRecord->pvKey, __FILE__,
__LINE__);
break;
case DEBUG_MEM_ALLOC_TYPE_KMEM_CACHE:
KMemCacheFreeWrapper(psCurrentRecord->
pvPrivateData,
psCurrentRecord->
pvCpuVAddr);
break;
default:
PVR_ASSERT(0);
}
psCurrentRecord = psNextRecord;
}
RemoveProcEntry("meminfo");
}
#endif
if (psLinuxMemAreaCache) {
kmem_cache_destroy(psLinuxMemAreaCache);
psLinuxMemAreaCache = NULL;
}
}