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Commit bd858e84 authored by Michael Holzheu's avatar Michael Holzheu Committed by Martin Schwidefsky
Browse files

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



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: default avatarMichael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent a8fa3943

arch/s390/kernel/setup.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -501,6 +501,8 @@ static int kdump_mem_notifier(struct notifier_block *nb, 
{

{

	struct memory_notify *arg = data;

	struct memory_notify *arg = data;





	if (action != MEM_GOING_OFFLINE)

		return NOTIFY_OK;

	if (arg->start_pfn < PFN_DOWN(resource_size(&crashk_res)))

	if (arg->start_pfn < PFN_DOWN(resource_size(&crashk_res)))

		return NOTIFY_BAD;

		return NOTIFY_BAD;

	if (arg->start_pfn > PFN_DOWN(crashk_res.end))

	if (arg->start_pfn > PFN_DOWN(crashk_res.end))