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Slightly improve addralloc virtual address space leaking.

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This commit is contained in:
Jonas 'Sortie' Termansen 2014-05-15 17:23:34 +02:00
parent 46eddaa19b
commit 36d2dcb745
1 changed files with 11 additions and 2 deletions
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13
kernel/addralloc.cpp
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@ -1,6 +1,6 @@
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2013.
Copyright(C) Jonas 'Sortie' Termansen 2013, 2014.
This file is part of Sortix.
@ -61,11 +61,20 @@ bool AllocateKernelAddress(addralloc_t* ret, size_t size)
return true;
}
// TODO: Proper deallocation support!
void FreeKernelAddress(addralloc_t* alloc)
{
if ( !alloc->from )
return;
// Currently, nothing to do here.
ScopedLock lock(&alloc_lock);
addr_t kmem_from;
size_t kmem_size;
Memory::GetKernelVirtualArea(&kmem_from, &kmem_size);
addr_t aux_reached = kmem_from + kmem_size - aux_allocated;
if ( alloc->from == aux_reached )
aux_allocated -= alloc->size;
alloc->from = 0;
alloc->size = 0;
}