}
while (count > persistent_huge_pages) {
- int ret;
/*
* If this allocation races such that we no longer need the
* page, free_huge_page will handle it by freeing the page
continue;
spin_lock(&dst->page_table_lock);
- spin_lock(&src->page_table_lock);
+ spin_lock_nested(&src->page_table_lock, SINGLE_DEPTH_NESTING);
if (!huge_pte_none(huge_ptep_get(src_pte))) {
if (cow)
huge_ptep_set_wrprotect(src, addr, src_pte);