Messages in this thread | | | Date | Fri, 26 Jun 2020 18:32:15 +0200 | From | Heiko Carstens <> | Subject | Re: [PATCH RFC 2/2] s390/mm: don't set ARCH_KEEP_MEMBLOCK |
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On Fri, Apr 17, 2020 at 05:01:51PM +0200, David Hildenbrand wrote: > Commit 50be63450728 ("s390/mm: Convert bootmem to memblock") mentions > "The original bootmem allocator is getting replaced by memblock. To > cover the needs of the s390 kdump implementation the physical > memory list is used." > > zcore was converted to use resources instead of memblocks. > memblock_discard() will *not* mess with "physmem", only with "memory" and > "reserved" memblocks. So, that data will stay after early boot, to be > used in arch/s390/kernel/crash_dump.c to create the ELF header from > inside the 2nd (a.k.a. dumping) kernel. > > We no longer need ARCH_KEEP_MEMBLOCK. > > Cc: Heiko Carstens <heiko.carstens@de.ibm.com> > Cc: Vasily Gorbik <gor@linux.ibm.com> > Cc: Christian Borntraeger <borntraeger@de.ibm.com> > Cc: Philipp Rudo <prudo@linux.ibm.com> > Cc: Michael Holzheu <holzheu@linux.vnet.ibm.com> > Signed-off-by: David Hildenbrand <david@redhat.com> > --- > arch/s390/Kconfig | 1 - > 1 file changed, 1 deletion(-)
Applied, thanks!
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