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-rw-r--r--arch/powerpc/platforms/pseries/hotplug-memory.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index 1fb162b..ca9b2f4 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -22,6 +22,7 @@
#include <asm/machdep.h>
#include <asm/prom.h>
#include <asm/sparsemem.h>
+#include <asm/fadump.h>
#include "pseries.h"
static bool rtas_hp_event;
@@ -408,6 +409,12 @@ static bool lmb_is_removable(struct of_drconf_cell *lmb)
scns_per_block = block_sz / MIN_MEMORY_BLOCK_SIZE;
phys_addr = lmb->base_addr;
+#ifdef CONFIG_FA_DUMP
+ /* Don't hot-remove memory that falls in fadump boot memory area */
+ if (is_fadump_boot_memory_area(phys_addr, block_sz))
+ return false;
+#endif
+
for (i = 0; i < scns_per_block; i++) {
pfn = PFN_DOWN(phys_addr);
if (!pfn_present(pfn))
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