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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:18:06 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:18:06 +0000 |
| commit | 638a9e433ecd61e64761352dbec1fa4f5874c941 (patch) | |
| tree | fdbff74a238d7a5a7d1cef071b7230bc064b9f25 /arch/s390/include/asm/extmem.h | |
| parent | Releasing progress-linux version 6.9.12-1~progress7.99u1. (diff) | |
| download | linux-638a9e433ecd61e64761352dbec1fa4f5874c941.tar.xz linux-638a9e433ecd61e64761352dbec1fa4f5874c941.zip | |
Merging upstream version 6.10.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/s390/include/asm/extmem.h')
| -rw-r--r-- | arch/s390/include/asm/extmem.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/s390/include/asm/extmem.h b/arch/s390/include/asm/extmem.h index 568fd81bb7..e0a06060af 100644 --- a/arch/s390/include/asm/extmem.h +++ b/arch/s390/include/asm/extmem.h @@ -8,6 +8,13 @@ #define _ASM_S390X_DCSS_H #ifndef __ASSEMBLY__ +/* + * DCSS segment is defined as a contiguous range of pages using DEFSEG command. + * The range start and end is a page number with a value less than or equal to + * 0x7ffffff (see CP Commands and Utilities Reference). + */ +#define MAX_DCSS_ADDR (512UL * SZ_1G) + /* possible values for segment type as returned by segment_info */ #define SEG_TYPE_SW 0 #define SEG_TYPE_EW 1 |