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| author | Heiko Carstens | 2007-02-21 10:55:37 +0100 |
|---|---|---|
| committer | Martin Schwidefsky | 2007-02-21 10:55:37 +0100 |
| commit | 615b04b301fd4e1b7680a498b873c4ae9baad92f (patch) | |
| tree | 8f6ad0f048507858cfbdfef3f2dee5c7cffe3bbe /arch/s390/kernel/ipl.c | |
| parent | [S390] bss section clearing. (diff) | |
| download | kernel-qcow2-linux-615b04b301fd4e1b7680a498b873c4ae9baad92f.tar.gz kernel-qcow2-linux-615b04b301fd4e1b7680a498b873c4ae9baad92f.tar.xz kernel-qcow2-linux-615b04b301fd4e1b7680a498b873c4ae9baad92f.zip | |
[S390] nss: Free unused memory in kernel image.
With CONFIG_SHARED_KERNEL the kernel text segment that might be in a
read only memory sections starts at 1MB. Memory between 0x12000 and
0x100000 is unused then. Free this, so we have appr. an extra MB
of memory available.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/ipl.c')
| -rw-r--r-- | arch/s390/kernel/ipl.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index ee6826a52d26..5a863a3bf10c 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -43,6 +43,13 @@ enum ipl_type { #define IPL_FCP_STR "fcp" #define IPL_NSS_STR "nss" +/* + * Must be in data section since the bss section + * is not cleared when these are accessed. + */ +u16 ipl_devno __attribute__((__section__(".data"))) = 0; +u32 ipl_flags __attribute__((__section__(".data"))) = 0; + static char *ipl_type_str(enum ipl_type type) { switch (type) { |