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| author | Michael Holzheu <holzheu@linux.vnet.ibm.com> | 2011-10-30 15:16:40 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-10-30 15:16:42 +0100 |
| commit | 60a0c68df2632feaa4a986af084650d1165d89c5 (patch) | |
| tree | f55907defeab43de02a5a3127c8d5a694a21b3a2 /arch/s390/mm | |
| parent | [S390] Add real memory access functions (diff) | |
| download | linux-60a0c68df2632feaa4a986af084650d1165d89c5.tar.xz linux-60a0c68df2632feaa4a986af084650d1165d89c5.zip | |
[S390] kdump backend code
This patch provides the architecture specific part of the s390 kdump
support.
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/mm')
| -rw-r--r-- | arch/s390/mm/vmem.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c index 781ff5169560..4799383e2df9 100644 --- a/arch/s390/mm/vmem.c +++ b/arch/s390/mm/vmem.c @@ -335,6 +335,9 @@ void __init vmem_map_init(void) ro_start = ((unsigned long)&_stext) & PAGE_MASK; ro_end = PFN_ALIGN((unsigned long)&_eshared); for (i = 0; i < MEMORY_CHUNKS && memory_chunk[i].size > 0; i++) { + if (memory_chunk[i].type == CHUNK_CRASHK || + memory_chunk[i].type == CHUNK_OLDMEM) + continue; start = memory_chunk[i].addr; end = memory_chunk[i].addr + memory_chunk[i].size; if (start >= ro_end || end <= ro_start) @@ -368,6 +371,9 @@ static int __init vmem_convert_memory_chunk(void) for (i = 0; i < MEMORY_CHUNKS; i++) { if (!memory_chunk[i].size) continue; + if (memory_chunk[i].type == CHUNK_CRASHK || + memory_chunk[i].type == CHUNK_OLDMEM) + continue; seg = kzalloc(sizeof(*seg), GFP_KERNEL); if (!seg) panic("Out of memory...\n"); |