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[orbis-kernel] Improve kalloc/kfree

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Align sizes to 16
This commit is contained in:
Ivan Chikish 2023-07-06 22:32:35 +03:00
parent 9744c41ebb
commit e3eb7a5820
1 changed files with 10 additions and 4 deletions
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14
orbis-kernel/src/KernelContext.cpp
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@ -74,6 +74,11 @@ Process *KernelContext::findProcessById(pid_t pid) const {
}
void *KernelContext::kalloc(std::size_t size, std::size_t align) {
size = (size + (__STDCPP_DEFAULT_NEW_ALIGNMENT__ - 1)) &
~(__STDCPP_DEFAULT_NEW_ALIGNMENT__ - 1);
if (!size)
std::abort();
pthread_mutex_lock(&m_heap_mtx);
if (!m_heap_is_freeing) {
// Try to reuse previously freed block
@ -97,9 +102,12 @@ void *KernelContext::kalloc(std::size_t size, std::size_t align) {
}
void KernelContext::kfree(void *ptr, std::size_t size) {
pthread_mutex_lock(&m_heap_mtx);
size = (size + (__STDCPP_DEFAULT_NEW_ALIGNMENT__ - 1)) &
~(__STDCPP_DEFAULT_NEW_ALIGNMENT__ - 1);
if (!size)
std::abort();
pthread_mutex_lock(&m_heap_mtx);
if (m_heap_is_freeing)
std::abort();
m_heap_is_freeing = true;
@ -116,9 +124,7 @@ void KernelContext::kfree(void *ptr, std::size_t size) {
}
inline namespace utils {
void kfree(void *ptr, std::size_t size) {
return g_context.kfree(ptr, size);
}
void kfree(void *ptr, std::size_t size) { return g_context.kfree(ptr, size); }
void *kalloc(std::size_t size, std::size_t align) {
return g_context.kalloc(size, align);
}