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Reduce initramfs size 

This will reduce compressed initramfs size on Ubuntu from 89 MB to
28 MB.
This commit is contained in:
Johan Gunnarsson 2023-07-25 19:47:59 +02:00
parent fccc4e41b8
commit 53a9cc2c1d
7 changed files with 55 additions and 0 deletions
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1
2nd-stage-files/post-2nd-stage-files/etc/initramfs-tools/conf.d/modules.conf Normal file
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@ -0,0 +1 @@
MODULES=dep

2
2nd-stage-files/pre-2nd-stage-files-arm64/etc/initramfs-tools/conf.d/compression.conf Normal file
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COMPRESS=gzip
COMPRESSLEVEL=9

1
2nd-stage-files/pre-2nd-stage-files-arm64/etc/initramfs-tools/conf.d/modules.conf Normal file
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@ -0,0 +1 @@
MODULES=list

24
2nd-stage-files/pre-2nd-stage-files-arm64/etc/initramfs-tools/hooks/storage Executable file
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#!/bin/sh -e
PREREQ=""
# Output pre-requisites
prereqs()
{
echo "$PREREQ"
}
case "$1" in
prereqs)
prereqs
exit 0
;;
esac
. /usr/share/initramfs-tools/hook-functions
auto_add_modules base
auto_add_modules block
auto_add_modules mmc
manual_add_modules ext4

2
2nd-stage-files/pre-2nd-stage-files-armhf/etc/initramfs-tools/conf.d/compression.conf Normal file
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@ -0,0 +1,2 @@
COMPRESS=gzip
COMPRESSLEVEL=9

1
2nd-stage-files/pre-2nd-stage-files-armhf/etc/initramfs-tools/conf.d/modules.conf Normal file
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@ -0,0 +1 @@
MODULES=list

24
2nd-stage-files/pre-2nd-stage-files-armhf/etc/initramfs-tools/hooks/storage Executable file
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@ -0,0 +1,24 @@
#!/bin/sh -e
PREREQ=""
# Output pre-requisites
prereqs()
{
echo "$PREREQ"
}
case "$1" in
prereqs)
prereqs
exit 0
;;
esac
. /usr/share/initramfs-tools/hook-functions
auto_add_modules base
auto_add_modules block
auto_add_modules mmc
manual_add_modules ext4