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| author | Linus Walleij <linus.walleij@linaro.org> | 2020-07-17 17:01:00 +0200 |
|---|---|---|
| committer | Christian Lamparter <chunkeey@gmail.com> | 2020-07-31 18:34:40 +0200 |
| commit | 9e02580d52ef6f2ee1eb38ae4e5977bb6002a552 (patch) | |
| tree | 7e083971c7d81a5a28736e0c2c4c8eccba494c1a /target/linux/gemini/image | |
| parent | caa6ada969ddf63eb753840fe9fa2acc726e5d57 (diff) | |
| download | upstream-9e02580d52ef6f2ee1eb38ae4e5977bb6002a552.tar.gz upstream-9e02580d52ef6f2ee1eb38ae4e5977bb6002a552.tar.bz2 upstream-9e02580d52ef6f2ee1eb38ae4e5977bb6002a552.zip | |
gemini: Add swap partition to DNS-313
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>
Diffstat (limited to 'target/linux/gemini/image')
| -rwxr-xr-x | target/linux/gemini/image/dns313_gen_hdd_img.sh | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/target/linux/gemini/image/dns313_gen_hdd_img.sh b/target/linux/gemini/image/dns313_gen_hdd_img.sh index 813852232f..d302ca6348 100755 --- a/target/linux/gemini/image/dns313_gen_hdd_img.sh +++ b/target/linux/gemini/image/dns313_gen_hdd_img.sh @@ -15,14 +15,20 @@ ROOTFSSIZE="$5" head=4 sect=63 -# Create two empty partitions followed by the boot partition with -# the ./boot/zImage and then the rootfs partition. -set $(ptgen -o $OUTPUT -h $head -s $sect -t 83 -n -p 0 -p 0 -p ${BOOTFSSIZE}M -p ${ROOTFSSIZE}M) +# 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 ${ROOTFSSIZE}M) -BOOTOFFSET="$(($1 / 512))" -BOOTSIZE="$(($2 / 512))" -ROOTFSOFFSET="$(($3 / 512))" -ROOTFSSIZE="$(($4 / 512))" +# 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 |