}
#endif
-#ifndef my_zero_pfn
-static inline unsigned long my_zero_pfn(unsigned long addr)
-{
- return zero_pfn;
-}
-#endif
-
/*
* vm_normal_page -- This function gets the "struct page" associated with a pte.
*
BUG();
}
#endif
- split_huge_page_pmd(vma->vm_mm, pmd);
+ split_huge_page_pmd(vma, addr, pmd);
} else if (zap_huge_pmd(tlb, vma, pmd, addr))
goto next;
/* fall through */
}
if (pmd_trans_huge(*pmd)) {
if (flags & FOLL_SPLIT) {
- split_huge_page_pmd(mm, pmd);
+ split_huge_page_pmd(vma, address, pmd);
goto split_fallthrough;
}
spin_lock(&mm->page_table_lock);
barrier();
if (pmd_trans_huge(orig_pmd)) {
- if (flags & FAULT_FLAG_WRITE &&
- !pmd_write(orig_pmd) &&
+ unsigned int dirty = flags & FAULT_FLAG_WRITE;
+
+ if (dirty && !pmd_write(orig_pmd) &&
!pmd_trans_splitting(orig_pmd)) {
ret = do_huge_pmd_wp_page(mm, vma, address, pmd,
orig_pmd);
if (unlikely(ret & VM_FAULT_OOM))
goto retry;
return ret;
+ } else {
+ huge_pmd_set_accessed(mm, vma, address, pmd,
+ orig_pmd, dirty);
}
return 0;
}