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Defrag memory in mcreboot.sh

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Merge free physical pages to create large, physically contiguous
blocks with the following command.

    echo 1 > /proc/sys/vm/compact_memory
This commit is contained in:
Masamichi Takagi
2016-10-25 16:35:43 +09:00
parent 5f973ab51e
commit f284a80656
1 changed files with 3 additions and 0 deletions
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3
arch/x86/tools/mcreboot-smp-x86.sh.in
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@ -144,6 +144,9 @@ fi
# Drop Linux caches to free memory # Drop Linux caches to free memory
sync && echo 3 > /proc/sys/vm/drop_caches sync && echo 3 > /proc/sys/vm/drop_caches
# Merge free memory areas into large, physically contigous ones
echo 1 > /proc/sys/vm/compact_memory 2>/dev/null
# Load IHK-SMP if not loaded and reserve CPUs and memory # Load IHK-SMP if not loaded and reserve CPUs and memory
if [ "`lsmod | grep ihk_smp_x86`" == "" ]; then if [ "`lsmod | grep ihk_smp_x86`" == "" ]; then
ihk_irq="" ihk_irq=""