diff options
Diffstat (limited to 'arch/s390/include/asm/sections.h')
| -rw-r--r-- | arch/s390/include/asm/sections.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/s390/include/asm/sections.h b/arch/s390/include/asm/sections.h index 7afe4620685c..42de04ad9c07 100644 --- a/arch/s390/include/asm/sections.h +++ b/arch/s390/include/asm/sections.h @@ -2,8 +2,20 @@ #ifndef _S390_SECTIONS_H #define _S390_SECTIONS_H +#define arch_is_kernel_initmem_freed arch_is_kernel_initmem_freed + #include <asm-generic/sections.h> +extern bool initmem_freed; + +static inline int arch_is_kernel_initmem_freed(unsigned long addr) +{ + if (!initmem_freed) + return 0; + return addr >= (unsigned long)__init_begin && + addr < (unsigned long)__init_end; +} + /* * .boot.data section contains variables "shared" between the decompressor and * the decompressed kernel. The decompressor will store values in them, and @@ -16,4 +28,14 @@ */ #define __bootdata(var) __section(.boot.data.var) var +/* + * .boot.preserved.data is similar to .boot.data, but it is not part of the + * .init section and thus will be preserved for later use in the decompressed + * kernel. + */ +#define __bootdata_preserved(var) __section(.boot.preserved.data.var) var + +extern unsigned long __sdma, __edma; +extern unsigned long __stext_dma, __etext_dma; + #endif |