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Drop switch root capability for non fadump initramfs

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Switch root is never used for kdump image, and this will be helpful to
reduce the initramfs size.

Also increase dracut dependency version and the function is
dracut_no_switch_root is new introduced.

This commit is applied to RHEL some time ago, but missing in Fedora as
Fedora's Dracut didn't backport this feature at that time. Now apply
this missing commit.

Signed-off-by: Kairui Song <kasong@redhat.com>
Acked-by: Pingfan Liu <piliu@redhat.com>
This commit is contained in:
Kairui Song 2020-05-17 22:38:22 +08:00
parent 8fcbb4d265
commit e05c550144
2 changed files with 8 additions and 5 deletions
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3
dracut-module-setup.sh
View File

@ -846,5 +846,8 @@ install() {
echo "[Journal]" > ${initdir}/etc/systemd/journald.conf.d/kdump.conf
echo "Storage=none" >> ${initdir}/etc/systemd/journald.conf.d/kdump.conf
echo "ForwardToConsole=yes" >> ${initdir}/etc/systemd/journald.conf.d/kdump.conf
# Save more memory by dropping switch root capability
dracut_no_switch_root
fi
}

10
kexec-tools.spec
View File

@ -55,13 +55,13 @@ Source109: dracut-early-kdump-module-setup.sh
Requires(post): systemd-units
Requires(preun): systemd-units
Requires(postun): systemd-units
Requires(pre): coreutils sed zlib
Requires: dracut >= 047-34.git20180604
Requires: dracut-network >= 044-117
Requires: dracut-squash >= 049-4
Requires(pre): coreutils sed zlib
Requires: dracut >= 050
Requires: dracut-network >= 050
Requires: dracut-squash >= 050
Requires: ethtool
BuildRequires: zlib-devel zlib zlib-static elfutils-devel-static glib2-devel bzip2-devel ncurses-devel bison flex lzo-devel snappy-devel
BuildRequires: pkgconfig intltool gettext
BuildRequires: pkgconfig intltool gettext
BuildRequires: systemd-units
BuildRequires: automake autoconf libtool
%ifarch %{ix86} x86_64 ppc64 ppc s390x ppc64le