* [meta-oe][PATCH] zram: add support for mem_limit
@ 2021-04-23 20:03 Sinan Kaya
0 siblings, 0 replies; only message in thread
From: Sinan Kaya @ 2021-04-23 20:03 UTC (permalink / raw)
To: openembedded-devel; +Cc: Sinan Kaya
Some targets might be interested in limiting how big
zram can grow. If the variable is set in /etc/default/zram file,
configure it in mem_limit sysfs attribute.
Signed-off-by: Sinan Kaya <okaya@kernel.org>
---
meta-oe/recipes-extended/zram/zram/zram-swap-init | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/meta-oe/recipes-extended/zram/zram/zram-swap-init b/meta-oe/recipes-extended/zram/zram/zram-swap-init
index ccc3aafe3a..28082f7ff0 100755
--- a/meta-oe/recipes-extended/zram/zram/zram-swap-init
+++ b/meta-oe/recipes-extended/zram/zram/zram-swap-init
@@ -24,3 +24,8 @@ modprobe -q zram || true
zramctl -a ${ZRAM_ALGORITHM} -s ${memzram}KB $device
mkswap -L "zram-swap" $device
+
+devname="${device##*/}"
+if [ ! -z ${ZRAM_SIZE_LIMIT+x} ]; then
+ echo ${ZRAM_SIZE_LIMIT} > /sys/block/$devname/mem_limit
+fi
--
2.17.1
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