uml: free LDT state on process exit

The space allocated for a process LDT wasn't being freed when the process
exited.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/um/kernel/skas/mmu.c b/arch/um/kernel/skas/mmu.c
index 48c8c136c038..ae79888cf520 100644
--- a/arch/um/kernel/skas/mmu.c
+++ b/arch/um/kernel/skas/mmu.c
@@ -149,4 +149,6 @@ void destroy_context(struct mm_struct *mm)
                 pmd_free((pmd_t *) mmu->last_pmd);
 #endif
         }
+
+        free_ldt(mmu);
 }