i386: hack for "kbuild: move -Wundef from KBUILD_CFLAGS to KBUILD_CPP…

…FLAGS" Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
mariux64 · Oct 14, 2022 · fe0af47 · fe0af47
1 parent ec77b21
commit fe0af47
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h
@@ -65,7 +65,7 @@ do {						\
  * With PAE paging (PTRS_PER_PMD > 1), we allocate PTRS_PER_PGD == 4 pages for
  * the PMD's in addition to the pages required for the last level pagetables.
  */
-#if PTRS_PER_PMD > 1
+#if defined(PTRS_PER_PMD) && (PTRS_PER_PMD > 1)
 #define PAGE_TABLE_SIZE(pages) (((pages) / PTRS_PER_PMD) + PTRS_PER_PGD)
 #else
 #define PAGE_TABLE_SIZE(pages) ((pages) / PTRS_PER_PGD)