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page cache: proper truncation

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Matheus
2026-08-20 22:36:38 -03:00
parent 31f9ae17cf
commit 7217a1e258
9 changed files with 170 additions and 58 deletions
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kernel-src/include/kernel/mm.h
+3 -2
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@@ -99,10 +99,11 @@ void mm_init();
extern size_t mm_cache_cached_pages;
// the mm_cache_* functions that take a vnode NEED it to be taken from a source which is not from the page_t itself
#define MM_CACHE_GET_PAGE_FLAGS_NO_POPULATE 1
int mm_cache_get_page(vnode_t *vnode, uintmax_t offset, int flags, page_t **res);
int mm_cache_take_page(page_t *page);
void mm_cache_make_dirty(page_t *page);
void mm_cache_take_page(page_t *page);
void mm_cache_make_dirty(vnode_t *vnode, page_t *page);
int mm_cache_truncate(vnode_t *vnode, uintmax_t offset);
int mm_cache_sync_vnode(vnode_t *vnode);
int mm_cache_sync(void);