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* [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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2021-04-23 20:03 [meta-oe][PATCH] zram: add support for mem_limit Sinan Kaya

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