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s390/kdump: Return NOTIFY_OK for all actions other than MEM_GOING_OFFLINE

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We only have to check kdump memory for the MEM_GOING_OFFLINE action.
Therefore skip the test and return NOTIFY_OK for all other memory
hotplug actions.

Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Michael Holzheu 2014-07-10 18:14:20 +02:00 committed by Martin Schwidefsky
parent a8fa394350
commit bd858e84d4
1 changed files with 2 additions and 0 deletions
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2
arch/s390/kernel/setup.c
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@ -501,6 +501,8 @@ static int kdump_mem_notifier(struct notifier_block *nb,
{
struct memory_notify *arg = data;
if (action != MEM_GOING_OFFLINE)
return NOTIFY_OK;
if (arg->start_pfn < PFN_DOWN(resource_size(&crashk_res)))
return NOTIFY_BAD;
if (arg->start_pfn > PFN_DOWN(crashk_res.end))