The #ifdef statement that guards the generic version of pud_alloc_one() by
mistake used __HAVE_ARCH_PUD_FREE instead of __HAVE_ARCH_PUD_ALLOC_ONE.
Fix it.
Fixes: d9e8b929670b ("asm-generic: pgalloc: provide generic pud_alloc_one() and pud_free_one()")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20200812191415.GE163101@linux.ibm.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
#if CONFIG_PGTABLE_LEVELS > 3
-#ifndef __HAVE_ARCH_PUD_FREE
+#ifndef __HAVE_ARCH_PUD_ALLOC_ONE
/**
* pud_alloc_one - allocate a page for PUD-level page table
* @mm: the mm_struct of the current context