return ptlock_ptr(page_ptdesc(pmd_page(*pmd)));
}
-static inline bool ptlock_init(struct page *page)
+static inline bool ptlock_init(struct ptdesc *ptdesc)
{
/*
* prep_new_page() initialize page->private (and therefore page->ptl)
* It can happen if arch try to use slab for page table allocation:
* slab code uses page->slab_cache, which share storage with page->ptl.
*/
- VM_BUG_ON_PAGE(*(unsigned long *)&page->ptl, page);
- if (!ptlock_alloc(page_ptdesc(page)))
+ VM_BUG_ON_PAGE(*(unsigned long *)&ptdesc->ptl, ptdesc_page(ptdesc));
+ if (!ptlock_alloc(ptdesc))
return false;
- spin_lock_init(ptlock_ptr(page_ptdesc(page)));
+ spin_lock_init(ptlock_ptr(ptdesc));
return true;
}
return &mm->page_table_lock;
}
static inline void ptlock_cache_init(void) {}
-static inline bool ptlock_init(struct page *page) { return true; }
+static inline bool ptlock_init(struct ptdesc *ptdesc) { return true; }
static inline void ptlock_free(struct page *page) {}
#endif /* USE_SPLIT_PTE_PTLOCKS */
static inline bool pgtable_pte_page_ctor(struct page *page)
{
- if (!ptlock_init(page))
+ if (!ptlock_init(page_ptdesc(page)))
return false;
__SetPageTable(page);
inc_lruvec_page_state(page, NR_PAGETABLE);
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
ptdesc->pmd_huge_pte = NULL;
#endif
- return ptlock_init(ptdesc_page(ptdesc));
+ return ptlock_init(ptdesc);
}
static inline void pmd_ptlock_free(struct page *page)