diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
index 56b121c3577ca22c6fc7c0434b65e69fb8ded621..2f6dbaa12d43188669bfa34eb6ca5c4cc340799a 100644
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig
@@ -594,5 +594,11 @@ source "drivers/cpufreq/Kconfig"
 
 endmenu
 
+config ARCH_ENABLE_MEMORY_HOTPLUG
+	def_bool y
+
+config ARCH_ENABLE_MEMORY_HOTREMOVE
+	def_bool y
+
 source "drivers/firmware/Kconfig"
 source "arch/loongarch/kvm/Kconfig"
diff --git a/arch/loongarch/configs/loongson3_defconfig b/arch/loongarch/configs/loongson3_defconfig
index e64d09fee82727c3ba33fdd09d1740c8d8e46344..43ec73c9cc2d6ddcbcf7d87efbde0807d2ce6f9a 100644
--- a/arch/loongarch/configs/loongson3_defconfig
+++ b/arch/loongarch/configs/loongson3_defconfig
@@ -45,6 +45,7 @@ CONFIG_ACPI_SPCR_TABLE=y
 CONFIG_ACPI_DOCK=y
 CONFIG_ACPI_IPMI=m
 CONFIG_ACPI_PCI_SLOT=y
+CONFIG_ACPI_HOTPLUG_MEMORY=y
 CONFIG_CPU_FREQ=y
 CONFIG_CPU_FREQ_STAT=y
 CONFIG_CPU_FREQ_GOV_POWERSAVE=y
@@ -66,6 +67,9 @@ CONFIG_PARTITION_ADVANCED=y
 CONFIG_IOSCHED_BFQ=y
 CONFIG_BFQ_GROUP_IOSCHED=y
 CONFIG_BINFMT_MISC=m
+CONFIG_MEMORY_HOTPLUG=y
+CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE=y
+CONFIG_MEMORY_HOTREMOVE=y
 CONFIG_KSM=y
 CONFIG_TRANSPARENT_HUGEPAGE=y
 CONFIG_ZPOOL=y
@@ -570,9 +574,9 @@ CONFIG_NET_9P_VIRTIO=y
 CONFIG_PCIEPORTBUS=y
 CONFIG_HOTPLUG_PCI_PCIE=y
 CONFIG_PCIEAER=y
-# CONFIG_PCIEASPM is not set
 CONFIG_PCI_IOV=y
 CONFIG_HOTPLUG_PCI=y
+CONFIG_HOTPLUG_PCI_ACPI=y
 CONFIG_HOTPLUG_PCI_SHPC=y
 CONFIG_PCCARD=m
 CONFIG_YENTA=m
diff --git a/arch/loongarch/mm/init.c b/arch/loongarch/mm/init.c
index 5b26c36f00c3801f730e08335a7cdc59e45fed73..1534617178c016d3ba3067d785e5813665db4515 100644
--- a/arch/loongarch/mm/init.c
+++ b/arch/loongarch/mm/init.c
@@ -143,7 +143,7 @@ EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
 #endif
 
 #ifdef CONFIG_MEMORY_HOTREMOVE
-void arch_remove_memory(u64 start, u64 size, struct vmem_altmap *altmap)
+void arch_remove_memory(int nid, u64 start, u64 size, struct vmem_altmap *altmap)
 {
 	unsigned long start_pfn = start >> PAGE_SHIFT;
 	unsigned long nr_pages = size >> PAGE_SHIFT;