print_symbol(KERN_ALERT "vma->vm_file->f_op->mmap: %s\n",
(unsigned long)vma->vm_file->f_op->mmap);
dump_stack();
- add_taint(TAINT_BAD_PAGE);
+ add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE);
}
static inline bool is_cow_mapping(vm_flags_t flags)
if (pmd_trans_huge(orig_pmd)) {
unsigned int dirty = flags & FAULT_FLAG_WRITE;
+ /*
+ * If the pmd is splitting, return and retry the
+ * the fault. Alternative: wait until the split
+ * is done, and goto retry.
+ */
+ if (pmd_trans_splitting(orig_pmd))
+ return 0;
+
if (pmd_numa(orig_pmd))
return do_huge_pmd_numa_page(mm, vma, address,
orig_pmd, pmd);