diff options
Diffstat (limited to 'arch/parisc/kernel/pdt.c')
| -rw-r--r-- | arch/parisc/kernel/pdt.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/parisc/kernel/pdt.c b/arch/parisc/kernel/pdt.c index 05730a83895c..e07eb34c8750 100644 --- a/arch/parisc/kernel/pdt.c +++ b/arch/parisc/kernel/pdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Page Deallocation Table (PDT) support * @@ -15,6 +16,7 @@ #include <linux/memblock.h> #include <linux/seq_file.h> #include <linux/kthread.h> +#include <linux/initrd.h> #include <asm/pdc.h> #include <asm/pdcpat.h> @@ -216,8 +218,16 @@ void __init pdc_pdt_init(void) } for (i = 0; i < pdt_status.pdt_entries; i++) { + unsigned long addr; + report_mem_err(pdt_entry[i]); + addr = pdt_entry[i] & PDT_ADDR_PHYS_MASK; + if (IS_ENABLED(CONFIG_BLK_DEV_INITRD) && + addr >= initrd_start && addr < initrd_end) + pr_crit("CRITICAL: initrd possibly broken " + "due to bad memory!\n"); + /* mark memory page bad */ memblock_reserve(pdt_entry[i] & PAGE_MASK, PAGE_SIZE); } |