[v4,0/3] crash: Fix crash memory reserve exceed system memory bug

Message

Jinjie Ruan July 22, 2024, 3:56 a.m. UTC

On x86_32, arm32 and riscv32, the crash memory reserve may exceed system
memory and display "reserved ok", fix it.

changes in v4:
- Update the warn info to align with parse_crashkernel_mem().
- Rebased on the "ARM: Use generic interface to simplify crashkernel
  reservation" patch.
- Also fix for riscv32.
- Update the commit message.

changes in v3:
- Handle the check in reserve_crashkernel() Baoquan suggested.
- Split x86_32 and arm32.
- Add Suggested-by.
- Drop the wrong fix tag.

changes in v2:
- Also fix for x86_32.
- Update the fix method.
- Peel off the other two patches.
- Update the commit message.

Jinjie Ruan (3):
  x86/kexec: Fix crash memory reserve exceed system memory bug
  ARM: Fix crash memory reserve exceed system memory bug
  riscv: kdump: Fix crash memory reserve exceed system memory bug

 arch/arm/kernel/setup.c | 5 +++++
 arch/riscv/mm/init.c    | 5 +++++
 arch/x86/kernel/setup.c | 5 +++++
 3 files changed, 15 insertions(+)