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| author |   Dimitri John Ledkov <dimitri.ledkov@canonical.com> | 2021-06-15 12:41:50 +0100 |
|---|---|---|
| committer |   Vasily Gorbik <gor@linux.ibm.com> | 2021-06-18 16:41:22 +0200 |
| commit | 7b034d9c1b08b3d06ad712283c1115a7fe39e354 (patch) | |
| tree | 741c2c99c90d7e652984c929bf46dffccaada251 /arch/s390/Kconfig | |
| parent | s390/decompressor: correct BOOT_HEAP_SIZE condition (diff) | |
| download | linux-dev-7b034d9c1b08b3d06ad712283c1115a7fe39e354.tar.xz linux-dev-7b034d9c1b08b3d06ad712283c1115a7fe39e354.zip | |
s390/boot: add zstd support
Enable ztsd support in s390/boot, to enable booting with zstd
compressed kernel when configured with CONFIG_KERNEL_ZSTD=y.
BOOT_HEAP_SIZE is defined to 0x30000 in this case. Actual decompressor
memory usage with allyesconfig is currently 0x26150.
BugLink: https://bugs.launchpad.net/bugs/1931725
Signed-off-by: Dimitri John Ledkov <dimitri.ledkov@canonical.com>
cc: Heiko Carstens <hca@linux.ibm.com>
cc: Vasily Gorbik <gor@linux.ibm.com>
cc: Christian Borntraeger <borntraeger@de.ibm.com>
cc: linux-s390@vger.kernel.org
Link: https://lore.kernel.org/r/20210615114150.325080-1-dimitri.ledkov@canonical.com
[gor: added BOOT_HEAP_SIZE for zstd]
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/Kconfig')
| -rw-r--r-- | arch/s390/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 93488bbf491b..e2ece2a74b24 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -173,6 +173,7 @@ config S390 select HAVE_KERNEL_LZO select HAVE_KERNEL_UNCOMPRESSED select HAVE_KERNEL_XZ + select HAVE_KERNEL_ZSTD select HAVE_KPROBES select HAVE_KPROBES_ON_FTRACE select HAVE_KRETPROBES |