[PATCH] mm: fix build breakage in dump_mm if CONFIG_MEMCG is not set

[Sasha Levin]

mm_struct->owner is only available if CONFIG_MEMCG is set, fix build
by taking that into account.

Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
---
 mm/debug.c |   10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/mm/debug.c b/mm/debug.c
index 281abb2..544d8f6 100644
--- a/mm/debug.c
+++ b/mm/debug.c
@@ -181,7 +181,10 @@ void dump_mm(const struct mm_struct *mm)
 #ifdef CONFIG_AIO
 		"ioctx_table %p\n"
 #endif
-		"owner %p exe_file %p\n"
+#ifdef CONFIG_MEMCG
+		"owner %p\n"
+#endif
+		"exe_file %p\n"
 #ifdef CONFIG_MMU_NOTIFIER
 		"mmu_notifier_mm %p\n"
 #endif
@@ -209,7 +212,10 @@ void dump_mm(const struct mm_struct *mm)
 #ifdef CONFIG_AIO
 		mm->ioctx_table,
 #endif
-		mm->owner, mm->exe_file,
+#ifdef CONFIG_MEMCG
+		mm->owner,
+#endif
+		mm->exe_file,
 #ifdef CONFIG_MMU_NOTIFIER
 		mm->mmu_notifier_mm,
 #endif
-- 
1.7.10.4

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