Sourabh Jain 81d1de3b97 powerpc/fadump: reset dump area size if fadump memory reserve fails
[ Upstream commit d1eb75e0dfed80d2d85b664e28a39f65b290ab55 ]

In case fadump_reserve_mem() fails to reserve memory, the
reserve_dump_area_size variable will retain the reserve area size. This
will lead to /sys/kernel/fadump/mem_reserved node displaying an incorrect
memory reserved by fadump.

To fix this problem, reserve dump area size variable is set to 0 if fadump
failed to reserve memory.

Fixes: 8255da95e545 ("powerpc/fadump: release all the memory above boot memory size")
Signed-off-by: Sourabh Jain <sourabhjain@linux.ibm.com>
Acked-by: Mahesh Salgaonkar <mahesh@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230704050715.203581-1-sourabhjain@linux.ibm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-09-23 10:59:47 +02:00
..
2023-09-23 10:59:38 +02:00
2023-08-11 11:53:55 +02:00
2023-08-08 19:56:33 +02:00