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mcreboot-smp: offline/online MCDRAM in one go

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Balazs Gerofi
2017-12-06 14:38:57 +09:00
parent 2d2d0af6fb
commit bf2f38051b
1 changed files with 17 additions and 1 deletions
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18
arch/x86_64/tools/mcreboot-smp-x86.sh.in
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@ -304,7 +304,7 @@ if ! grep ihk_smp_@ARCH@ /proc/modules &>/dev/null; then
error_exit "ihk_loaded"
fi
# Offline-reonline RAM (special case for OFP SNC-4 mode)
# Offline-reonline RAM (special case for OFP SNC-4 flat mode)
if [ "`hostname | grep "c[0-9][0-9][0-9][0-9].ofp"`" != "" ] && [ "`cat /sys/devices/system/node/online`" == "0-7" ]; then
for i in 0 1 2 3; do
find /sys/devices/system/node/node$i/memory*/ -name "online" | while read f; do
@ -318,6 +318,22 @@ if ! grep ihk_smp_@ARCH@ /proc/modules &>/dev/null; then
find /sys/devices/system/node/node$i/memory*/ -name "online" | while read f; do
echo 0 > $f 2>&1 > /dev/null;
done
done
for i in 4 5 6 7; do
find /sys/devices/system/node/node$i/memory*/ -name "online" | while read f; do
echo 1 > $f 2>&1 > /dev/null;
done
done
fi
# Offline-reonline RAM (special case for OFP Quadrant flat mode)
if [ "`hostname | grep "c[0-9][0-9][0-9][0-9].ofp"`" != "" ] && [ "`cat /sys/devices/system/node/online`" == "0-1" ]; then
for i in 1; do
find /sys/devices/system/node/node$i/memory*/ -name "online" | while read f; do
echo 0 > $f 2>&1 > /dev/null;
done
done
for i in 1; do
find /sys/devices/system/node/node$i/memory*/ -name "online" | while read f; do
echo 1 > $f 2>&1 > /dev/null;
done