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(parent: 558df72) | patch
[S390] Add architecture code for unmapping crashkernel memory
authorMichael Holzheu <holzheu@linux.vnet.ibm.com>
Sun, 30 Oct 2011 14:16:44 +0000 (15:16 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Sun, 30 Oct 2011 14:16:42 +0000 (15:16 +0100)
commitdab7a7b1538fec48790a321a58180adae79a3f3c
tree145614bdf89a106508cec17bd6f13e6686ffed07tree | snapshot
parent558df7209e7997275f6b8ad37737494cf2da1512commit | diff
[S390] Add architecture code for unmapping crashkernel memory

This patch implements the crash_map_pages() function for s390.
KEXEC_CRASH_MEM_ALIGN is set to HPAGE_SIZE, in order to support
kernel mappings that use large pages. We also use HPAGE_SIZE alignment
for CONFIG_HUGETLB_PAGE=n in order to have the same 1 MiB alignment on
all s390 systems.

Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/include/asm/kexec.h diff | blob | history
arch/s390/kernel/machine_kexec.c diff | blob | history
arch/s390/kernel/setup.c diff | blob | history
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