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kernel/vm: Make vm_page::physical_page_number const.

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For safety.
This commit is contained in:
Augustin Cavalier
2026-07-17 16:55:42 -04:00
parent ba3a7735b4
commit 22b415d0c7
2 changed files with 11 additions and 10 deletions
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headers/private/kernel/vm/vm_types.h
+7 -6
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@@ -113,9 +113,9 @@ struct VMCacheRef {
struct vm_page {
DoublyLinkedListLink<vm_page> queue_link;
const page_num_t physical_page_number;
page_num_t physical_page_number;
DoublyLinkedListLink<vm_page> queue_link;
private:
VMCacheRef* cache_ref;
@@ -153,7 +153,7 @@ public:
uint8 usage_count;
inline void Init(page_num_t pageNumber);
inline vm_page(page_num_t pageNumber);
VMCacheRef* CacheRef() const { return cache_ref; }
void SetCacheRef(VMCacheRef* cacheRef) { this->cache_ref = cacheRef; }
@@ -199,10 +199,11 @@ enum {
#define VM_PAGE_ALLOC_BUSY 0x00000020
inline void
vm_page::Init(page_num_t pageNumber)
inline
vm_page::vm_page(page_num_t pageNumber)
:
physical_page_number(pageNumber)
{
physical_page_number = pageNumber;
new(&mappings) vm_page_mappings();
SetCacheRef(NULL);