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Diffstat (limited to 'arch/um/include/asm/mmu_context.h')
-rw-r--r--arch/um/include/asm/mmu_context.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/um/include/asm/mmu_context.h b/arch/um/include/asm/mmu_context.h
index 9f4b4bb78120..00cefd33afdd 100644
--- a/arch/um/include/asm/mmu_context.h
+++ b/arch/um/include/asm/mmu_context.h
@@ -52,7 +52,7 @@ static inline void activate_mm(struct mm_struct *old, struct mm_struct *new)
* when the new ->mm is used for the first time.
*/
__switch_mm(&new->context.id);
- down_write(&new->mmap_sem);
+ down_write_nested(&new->mmap_sem, 1);
uml_setup_stubs(new);
up_write(&new->mmap_sem);
}