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-rw-r--r--arch/powerpc/platforms/pseries/hotplug-memory.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index 6f2eebae7bee..3fe3ddb30c04 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -208,8 +208,10 @@ static int dlpar_change_lmb_state(struct drmem_lmb *lmb, bool online)
int rc;
mem_block = lmb_to_memblock(lmb);
- if (!mem_block)
+ if (!mem_block) {
+ pr_err("Failed memory block lookup for LMB 0x%x\n", lmb->drc_index);
return -EINVAL;
+ }
if (online && mem_block->dev.offline)
rc = device_online(&mem_block->dev);
@@ -576,6 +578,7 @@ static int dlpar_add_lmb(struct drmem_lmb *lmb)
rc = update_lmb_associativity_index(lmb);
if (rc) {
dlpar_release_drc(lmb->drc_index);
+ pr_err("Failed to configure LMB 0x%x\n", lmb->drc_index);
return rc;
}
@@ -589,12 +592,14 @@ static int dlpar_add_lmb(struct drmem_lmb *lmb)
/* Add the memory */
rc = __add_memory(nid, lmb->base_addr, block_sz, MHP_MEMMAP_ON_MEMORY);
if (rc) {
+ pr_err("Failed to add LMB 0x%x to node %u", lmb->drc_index, nid);
invalidate_lmb_associativity_index(lmb);
return rc;
}
rc = dlpar_online_lmb(lmb);
if (rc) {
+ pr_err("Failed to online LMB 0x%x on node %u\n", lmb->drc_index, nid);
__remove_memory(lmb->base_addr, block_sz);
invalidate_lmb_associativity_index(lmb);
} else {