diff options
Diffstat (limited to 'arch/s390/kernel')
| -rw-r--r-- | arch/s390/kernel/crash_dump.c | 4 | ||||
| -rw-r--r-- | arch/s390/kernel/setup.c | 28 |
2 files changed, 9 insertions, 23 deletions
diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c index 30b7f63..f703d91 100644 --- a/arch/s390/kernel/crash_dump.c +++ b/arch/s390/kernel/crash_dump.c @@ -89,7 +89,7 @@ static struct mem_chunk *get_memory_layout(void) chunk_array = kzalloc_panic(MEMORY_CHUNKS * sizeof(struct mem_chunk)); detect_memory_layout(chunk_array, 0); - create_mem_hole(chunk_array, OLDMEM_BASE, OLDMEM_SIZE, CHUNK_CRASHK); + create_mem_hole(chunk_array, OLDMEM_BASE, OLDMEM_SIZE); return chunk_array; } @@ -344,7 +344,7 @@ static int loads_init(Elf64_Phdr *phdr, u64 loads_offset) for (i = 0; i < MEMORY_CHUNKS; i++) { mem_chunk = &chunk_array[i]; if (mem_chunk->size == 0) - break; + continue; if (chunk_array[i].type != CHUNK_READ_WRITE && chunk_array[i].type != CHUNK_READ_ONLY) continue; diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index cdd9ec0..0a49095 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -463,14 +463,10 @@ static void __init setup_resources(void) for (i = 0; i < MEMORY_CHUNKS; i++) { if (!memory_chunk[i].size) continue; - if (memory_chunk[i].type == CHUNK_OLDMEM || - memory_chunk[i].type == CHUNK_CRASHK) - continue; res = alloc_bootmem_low(sizeof(*res)); res->flags = IORESOURCE_BUSY | IORESOURCE_MEM; switch (memory_chunk[i].type) { case CHUNK_READ_WRITE: - case CHUNK_CRASHK: res->name = "System RAM"; break; case CHUNK_READ_ONLY: @@ -527,7 +523,7 @@ static void __init setup_memory_end(void) unsigned long align; chunk = &memory_chunk[i]; - if (chunk->type == CHUNK_OLDMEM) + if (!chunk->size) continue; align = 1UL << (MAX_ORDER + PAGE_SHIFT - 1); start = (chunk->addr + align - 1) & ~(align - 1); @@ -579,7 +575,7 @@ static void __init setup_memory_end(void) for (i = 0; i < MEMORY_CHUNKS; i++) { struct mem_chunk *chunk = &memory_chunk[i]; - if (chunk->type == CHUNK_OLDMEM) + if (!chunk->size) continue; if (chunk->addr >= memory_end) { memset(chunk, 0, sizeof(*chunk)); @@ -681,15 +677,6 @@ static int __init verify_crash_base(unsigned long crash_base, } /* - * Reserve kdump memory by creating a memory hole in the mem_chunk array - */ -static void __init reserve_kdump_bootmem(unsigned long addr, unsigned long size, - int type) -{ - create_mem_hole(memory_chunk, addr, size, type); -} - -/* * When kdump is enabled, we have to ensure that no memory from * the area [0 - crashkernel memory size] and * [crashk_res.start - crashk_res.end] is set offline. @@ -730,8 +717,8 @@ static void reserve_oldmem(void) real_size = max(real_size, chunk->addr + chunk->size); } - reserve_kdump_bootmem(OLDMEM_BASE, OLDMEM_SIZE, CHUNK_OLDMEM); - reserve_kdump_bootmem(OLDMEM_SIZE, real_size - OLDMEM_SIZE, CHUNK_OLDMEM); + create_mem_hole(memory_chunk, OLDMEM_BASE, OLDMEM_SIZE); + create_mem_hole(memory_chunk, OLDMEM_SIZE, real_size - OLDMEM_SIZE); if (OLDMEM_BASE + OLDMEM_SIZE == real_size) saved_max_pfn = PFN_DOWN(OLDMEM_BASE) - 1; else @@ -774,7 +761,7 @@ static void __init reserve_crashkernel(void) crashk_res.start = crash_base; crashk_res.end = crash_base + crash_size - 1; insert_resource(&iomem_resource, &crashk_res); - reserve_kdump_bootmem(crash_base, crash_size, CHUNK_CRASHK); + create_mem_hole(memory_chunk, crash_base, crash_size); pr_info("Reserving %lluMB of memory at %lluMB " "for crashkernel (System RAM: %luMB)\n", crash_size >> 20, crash_base >> 20, memory_end >> 20); @@ -846,11 +833,10 @@ static void __init setup_memory(void) * Register RAM areas with the bootmem allocator. */ - for (i = 0; i < MEMORY_CHUNKS && memory_chunk[i].size > 0; i++) { + for (i = 0; i < MEMORY_CHUNKS; i++) { unsigned long start_chunk, end_chunk, pfn; - if (memory_chunk[i].type != CHUNK_READ_WRITE && - memory_chunk[i].type != CHUNK_CRASHK) + if (!memory_chunk[i].size) continue; start_chunk = PFN_DOWN(memory_chunk[i].addr); end_chunk = start_chunk + PFN_DOWN(memory_chunk[i].size); |