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parisc: Report bad pages as HardwareCorrupted

PATCH New Helge Deller 1 participant 1 message Jul 24, 2020 PA-RISC architecture

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Helge Deller

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PATCH 1/1 parisc: Report bad pages as HardwareCorrupted

The /proc/meminfo file reports physically broken memory pages in the HardwareCorrupted field. When the parisc kernel boots report physically bad pages which were recorded in the page deallocation table (PDT) as HardwareCorrupted too.

Signed-off-by Helge Deller <[email protected]>
arch/parisc/kernel/pdt.c +3 -0
index 6e8550fefad6..fcc761b0e11b 100644
@@ -18,6 +18,8 @@
 #include <linux/kthread.h>
 #include <linux/initrd.h>
 #include <linux/pgtable.h>
+#include <linux/swap.h>
+#include <linux/swapops.h>
 
 #include <asm/pdc.h>
 #include <asm/pdcpat.h>

@@ -230,6 +232,7 @@ void __init pdc_pdt_init(void)
 
 		/* mark memory page bad */
 		memblock_reserve(pdt_entry[i] & PAGE_MASK, PAGE_SIZE);
+		num_poisoned_pages_inc();
 	}
 }