diff options
Diffstat (limited to 'package/boot/kexec-tools/files/kdump.defaults')
| -rw-r--r-- | package/boot/kexec-tools/files/kdump.defaults | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/package/boot/kexec-tools/files/kdump.defaults b/package/boot/kexec-tools/files/kdump.defaults index 2f15e757bf..62366a2950 100644 --- a/package/boot/kexec-tools/files/kdump.defaults +++ b/package/boot/kexec-tools/files/kdump.defaults @@ -1,10 +1,22 @@ #!/bin/sh +# kB disable if mem low than 256MB +memtotal=`grep MemTotal /proc/meminfo | awk '{print $2}'` +if test $memtotal -le 262144; then + exit 0 +fi +KZ=128 +if test $memtotal -ge 8388608; then + KZ=512 +elif test $memtotal -ge 4194304; then + KZ=256 +fi + case $(uname -m) in i?86|x86_64) if ! grep -q crashkernel /boot/grub/grub.cfg; then mount /boot -o remount,rw - sed -i 's/linux.*/& crashkernel=32M@32M/' /boot/grub/grub.cfg + sed -i "s/linux.*/& crashkernel=${KZ}M/" /boot/grub/grub.cfg mount /boot -o remount,ro fi ;; |