mm-make-pte_marker_swapin_error-more-general-fix

fix CONFIG_MMU=n build Cc: Axel Rasmussen <[email protected]> Cc: Peter Xu <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
torvalds · Aug 18, 2023 · f92cedf · f92cedf
1 parent af19487
commit f92cedf
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
@@ -523,6 +523,7 @@ static inline bool mm_tlb_flush_nested(struct mm_struct *mm)
  return atomic_read(&mm->tlb_flush_pending) > 1;
 }
 
+#ifdef CONFIG_MMU
 /*
  * Computes the pte marker to copy from the given source entry into dst_vma.
  * If no marker should be copied, returns 0.
@@ -541,6 +542,7 @@ static inline pte_marker copy_pte_marker(
 
  return dstm;
 }
+#endif
 
 /*
  * If this pte is wr-protected by uffd-wp in any form, arm the special pte to