Thread (16 messages) 16 messages, 3 authors, 2025-01-09

Re: [PATCH RESEND v1 3/5] powerpc/kdump: preserve user-specified memory limit

From: Mahesh J Salgaonkar <mahesh@linux.ibm.com>
Date: 2025-01-08 17:07:17
Also in: kexec, lkml

On 2025-01-08 15:44:56 Wed, Sourabh Jain wrote:
Commit 59d58189f3d9 ("crash: fix crash memory reserve exceed system
memory bug") fails crashkernel parsing if the crash size is found to be
higher than system RAM, which makes the memory_limit adjustment code
ineffective due to an early exit from reserve_crashkernel().

Regardless lets not violated the user-specified memory limit by
adjusting it. Remove this adjustment to ensure all reservations stay
within the limit. Commit f94f5ac07983 ("powerpc/fadump: Don't update
the user-specified memory limit") did the same for fadump.
Agreed.

Reviewed-by: Mahesh Salgaonkar <mahesh@linux.ibm.com>

Thanks,
-Mahesh.
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