diff options
Diffstat (limited to 'arch/s390/boot/mem_detect.c')
| -rw-r--r-- | arch/s390/boot/mem_detect.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/s390/boot/mem_detect.c b/arch/s390/boot/mem_detect.c index daa159317183..3058d397a9da 100644 --- a/arch/s390/boot/mem_detect.c +++ b/arch/s390/boot/mem_detect.c @@ -171,3 +171,21 @@ unsigned long detect_memory(unsigned long *safe_addr) return max_physmem_end; } + +void mem_detect_truncate(unsigned long limit) +{ + struct mem_detect_block *block; + int i; + + for (i = 0; i < mem_detect.count; i++) { + block = __get_mem_detect_block_ptr(i); + if (block->start >= limit) { + mem_detect.count = i; + break; + } else if (block->end > limit) { + block->end = (u64)limit; + mem_detect.count = i + 1; + break; + } + } +} |