4 files changed, 27 insertions, 14 deletions

diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h
index 20ca48c1b606..c0109aff223b 100644
--- a/arch/mips/include/asm/pgtable-64.h
+++ b/arch/mips/include/asm/pgtable-64.h
@@ -147,8 +147,8 @@
 #if defined(CONFIG_MODULES) && defined(KBUILD_64BIT_SYM32) && \
 	VMALLOC_START != CKSSEG
 /* Load modules into 32bit-compatible segment. */
-#define MODULE_START	CKSSEG
-#define MODULE_END	(FIXADDR_START-2*PAGE_SIZE)
+#define MODULES_VADDR	CKSSEG
+#define MODULES_END	(FIXADDR_START-2*PAGE_SIZE)
 #endif
 
 #define pte_ERROR(e) \
diff --git a/arch/mips/kernel/module.c b/arch/mips/kernel/module.c
index 7b2fbaa9cac5..ba0f62d8eff5 100644
--- a/arch/mips/kernel/module.c
+++ b/arch/mips/kernel/module.c
@@ -13,7 +13,6 @@
 #include <linux/elf.h>
 #include <linux/mm.h>
 #include <linux/numa.h>
-#include <linux/vmalloc.h>
 #include <linux/slab.h>
 #include <linux/fs.h>
 #include <linux/string.h>
@@ -31,15 +30,6 @@ struct mips_hi16 {
 static LIST_HEAD(dbe_list);
 static DEFINE_SPINLOCK(dbe_lock);
 
-#ifdef MODULE_START
-void *module_alloc(unsigned long size)
-{
-	return __vmalloc_node_range(size, 1, MODULE_START, MODULE_END,
-				GFP_KERNEL, PAGE_KERNEL, 0, NUMA_NO_NODE,
-				__builtin_return_address(0));
-}
-#endif
-
 static void apply_r_mips_32(u32 *location, u32 base, Elf_Addr v)
 {
 	*location = base + v;
diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
index aaa9a242ebba..37fedeaca2e9 100644
--- a/arch/mips/mm/fault.c
+++ b/arch/mips/mm/fault.c
@@ -83,8 +83,8 @@ static void __do_page_fault(struct pt_regs *regs, unsigned long write,
 
 	if (unlikely(address >= VMALLOC_START && address <= VMALLOC_END))
 		goto VMALLOC_FAULT_TARGET;
-#ifdef MODULE_START
-	if (unlikely(address >= MODULE_START && address < MODULE_END))
+#ifdef MODULES_VADDR
+	if (unlikely(address >= MODULES_VADDR && address < MODULES_END))
 		goto VMALLOC_FAULT_TARGET;
 #endif
 
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 39f129205b0c..4583d1a2a73e 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -31,6 +31,7 @@
 #include <linux/gfp.h>
 #include <linux/kcore.h>
 #include <linux/initrd.h>
+#include <linux/execmem.h>
 
 #include <asm/bootinfo.h>
 #include <asm/cachectl.h>
@@ -576,3 +577,25 @@ EXPORT_SYMBOL_GPL(invalid_pmd_table);
 #endif
 pte_t invalid_pte_table[PTRS_PER_PTE] __page_aligned_bss;
 EXPORT_SYMBOL(invalid_pte_table);
+
+#ifdef CONFIG_EXECMEM
+#ifdef MODULES_VADDR
+static struct execmem_info execmem_info __ro_after_init;
+
+struct execmem_info __init *execmem_arch_setup(void)
+{
+	execmem_info = (struct execmem_info){
+		.ranges = {
+			[EXECMEM_DEFAULT] = {
+				.start	= MODULES_VADDR,
+				.end	= MODULES_END,
+				.pgprot	= PAGE_KERNEL,
+				.alignment = 1,
+			},
+		},
+	};
+
+	return &execmem_info;
+}
+#endif
+#endif /* CONFIG_EXECMEM */