From 0e31fc5ec5ff7a6599a04ecf5008e17fc1aa1f7b Mon Sep 17 00:00:00 2001
From: Simon Fels <morphis@gravedo.de>
Date: Sun, 2 Sep 2018 12:10:07 +0200
Subject: [PATCH] ashmem: account for older kernel which don't have
 vma_set_anonymous

Was first introduced in 4.18 and needs to be called from ashmem when
running with a kernel >= 4.18.
---
 ashmem/ashmem.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ashmem/ashmem.c b/ashmem/ashmem.c
index 85b576d..cb354dc 100644
--- a/ashmem/ashmem.c
+++ b/ashmem/ashmem.c
@@ -419,9 +419,13 @@ static int ashmem_mmap(struct file *file, struct vm_area_struct *vma)
 			fput(asma->file);
 			goto out;
 		}
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 18, 0)
 	} else {
 		vma_set_anonymous(vma);
 	}
+#else
+	}
+#endif
 
 	if (vma->vm_file)
 		fput(vma->vm_file);