purgatory_backup_dest 16 arch/x86/include/asm/purgatory.h extern unsigned long purgatory_backup_dest; purgatory_backup_dest 17 arch/x86/purgatory/purgatory.c unsigned long purgatory_backup_dest __section(.kexec-purgatory); purgatory_backup_dest 32 arch/x86/purgatory/purgatory.c if (purgatory_backup_dest) { purgatory_backup_dest 33 arch/x86/purgatory/purgatory.c memcpy((void *)purgatory_backup_dest,