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-rw-r--r--arch/s390/kernel/setup.c28
1 files changed, 7 insertions, 21 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index cdd9ec0a6fc..0a49095104c 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);