mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 01:11:14 +00:00
9e02580d52
Sometimes when using the DNS-313 memory usage can peak and with a simple swap partition we can avoid running into the roof and invoking the OOM killer. Set this partition to 128MB (twice the size of the memory of the DNS-313). Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
35 lines
1.0 KiB
Bash
Executable File
35 lines
1.0 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
set -x
|
|
[ $# -eq 5 ] || {
|
|
echo "SYNTAX: $0 <file> <bootfs image> <rootfs image> <bootfs size> <rootfs size>"
|
|
exit 1
|
|
}
|
|
|
|
OUTPUT="$1"
|
|
BOOTFS="$2"
|
|
ROOTFS="$3"
|
|
BOOTFSSIZE="$4"
|
|
ROOTFSSIZE="$5"
|
|
|
|
head=4
|
|
sect=63
|
|
|
|
# Create one empty partitions followed by the swap partition, then the
|
|
# boot partition with the ./boot/zImage and then the rootfs partition.
|
|
# The swap partition with type 82 is 128 MB since the DNS-313 has 64 MB of
|
|
# memory so we assign twice of that as swap.
|
|
# The boot partition must always be the third partition.
|
|
# The user should use the first (blank) partition for user data storage,
|
|
# this will typically be named /dev/sda1
|
|
set $(ptgen -o $OUTPUT -h $head -s $sect -n -t 83 -p 0 -t 82 -p 128M -t 83 -p ${BOOTFSSIZE}M -t 83 -p ${ROOTFSSIZE}M)
|
|
|
|
# Swapoffset and swapsize will be $1 and $2
|
|
BOOTOFFSET="$(($3 / 512))"
|
|
BOOTSIZE="$(($4 / 512))"
|
|
ROOTFSOFFSET="$(($5 / 512))"
|
|
ROOTFSSIZE="$(($6 / 512))"
|
|
|
|
dd bs=512 if="$BOOTFS" of="$OUTPUT" seek="$BOOTOFFSET" conv=notrunc
|
|
dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc
|