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24 lines
475 B
Bash
24 lines
475 B
Bash
#!/bin/sh
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# kB disable if mem low than 256MB
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memtotal=`grep MemTotal /proc/meminfo | awk '{print $2}'`
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if test $memtotal -le 262144; then
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exit 0
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fi
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KZ=128
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if test $memtotal -ge 8388608; then
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KZ=512
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elif test $memtotal -ge 4194304; then
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KZ=256
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fi
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case $(uname -m) in
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i?86|x86_64)
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if ! grep -q crashkernel /boot/grub/grub.cfg; then
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mount /boot -o remount,rw
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sed -i "s/linux.*/& crashkernel=${KZ}M/" /boot/grub/grub.cfg
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mount /boot -o remount,ro
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fi
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;;
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esac
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