Add zram0 labeling advice for swap to zRam.
Bug: 25456255
Change-Id: I2144eee172587c2125b106ab5dba6adac6bf2d46
diff --git a/src/devices/tech/config/low-ram.jd b/src/devices/tech/config/low-ram.jd
index d08692a..ca0dd71 100644
--- a/src/devices/tech/config/low-ram.jd
+++ b/src/devices/tech/config/low-ram.jd
@@ -217,6 +217,11 @@
<code>swapprio</code> is optional and not needed if you don't have more than one swap
area.<br />
<br />
+ You should also be sure to label the associated block device as a swap_block_device
+ in the device-specific <a href="{@docRoot}security/selinux/implement.html">
+ sepolicy/file_contexts</a> so that it is treated properly by SELinux. <br />
+ <code>/dev/block/zram0 u:object_r:swap_block_device:s0</code><br />
+ <br />
</li>
<li>By default, the Linux kernel swaps in 8 pages of memory at a time. When
using ZRAM, the incremental cost of reading 1 page at a time is negligible
