diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c
index de2bd21..d73dc47 100644
--- a/arch/alpha/mm/fault.c
+++ b/arch/alpha/mm/fault.c
@@ -87,7 +87,8 @@
 	struct vm_area_struct * vma;
 	struct mm_struct *mm = current->mm;
 	const struct exception_table_entry *fixup;
-	int fault, si_code = SEGV_MAPERR;
+	int si_code = SEGV_MAPERR;
+	vm_fault_t fault;
 	unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 
 	/* As of EV6, a load into $31/$f31 is a prefetch, and never faults
diff --git a/arch/arc/mm/fault.c b/arch/arc/mm/fault.c
index b884bbd..db69130 100644
--- a/arch/arc/mm/fault.c
+++ b/arch/arc/mm/fault.c
@@ -15,6 +15,7 @@
 #include <linux/uaccess.h>
 #include <linux/kdebug.h>
 #include <linux/perf_event.h>
+#include <linux/mm_types.h>
 #include <asm/pgalloc.h>
 #include <asm/mmu.h>
 
@@ -66,7 +67,8 @@
 	struct task_struct *tsk = current;
 	struct mm_struct *mm = tsk->mm;
 	siginfo_t info;
-	int fault, ret;
+	int ret;
+	vm_fault_t fault;
 	int write = regs->ecr_cause & ECR_C_PROTV_STORE;  /* ST/EX */
 	unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index 84becc9..3232afb 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -224,12 +224,12 @@
 	return vma->vm_flags & mask ? false : true;
 }
 
-static int __kprobes
+static vm_fault_t __kprobes
 __do_page_fault(struct mm_struct *mm, unsigned long addr, unsigned int fsr,
 		unsigned int flags, struct task_struct *tsk)
 {
 	struct vm_area_struct *vma;
-	int fault;
+	vm_fault_t fault;
 
 	vma = find_vma(mm, addr);
 	fault = VM_FAULT_BADMAP;
@@ -264,7 +264,8 @@
 {
 	struct task_struct *tsk;
 	struct mm_struct *mm;
-	int fault, sig, code;
+	int sig, code;
+	vm_fault_t fault;
 	unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 
 	if (notify_page_fault(regs, fsr))
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index 9943690..50b30ff 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -379,12 +379,12 @@
 #define VM_FAULT_BADMAP		0x010000
 #define VM_FAULT_BADACCESS	0x020000
 
-static int __do_page_fault(struct mm_struct *mm, unsigned long addr,
+static vm_fault_t __do_page_fault(struct mm_struct *mm, unsigned long addr,
 			   unsigned int mm_flags, unsigned long vm_flags,
 			   struct task_struct *tsk)
 {
 	struct vm_area_struct *vma;
-	int fault;
+	vm_fault_t fault;
 
 	vma = find_vma(mm, addr);
 	fault = VM_FAULT_BADMAP;
@@ -427,7 +427,7 @@
 	struct task_struct *tsk;
 	struct mm_struct *mm;
 	struct siginfo si;
-	int fault, major = 0;
+	vm_fault_t fault, major = 0;
 	unsigned long vm_flags = VM_READ | VM_WRITE;
 	unsigned int mm_flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 
diff --git a/arch/hexagon/mm/vm_fault.c b/arch/hexagon/mm/vm_fault.c
index 933bbce..eb263e6 100644
--- a/arch/hexagon/mm/vm_fault.c
+++ b/arch/hexagon/mm/vm_fault.c
@@ -52,7 +52,7 @@
 	struct mm_struct *mm = current->mm;
 	int si_signo;
 	int si_code = SEGV_MAPERR;
-	int fault;
+	vm_fault_t fault;
 	const struct exception_table_entry *fixup;
 	unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 
diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c
index 817fa12..a9d55ad 100644
--- a/arch/ia64/mm/fault.c
+++ b/arch/ia64/mm/fault.c
@@ -86,7 +86,7 @@
 	struct vm_area_struct *vma, *prev_vma;
 	struct mm_struct *mm = current->mm;
 	unsigned long mask;
-	int fault;
+	vm_fault_t fault;
 	unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 
 	mask = ((((isr >> IA64_ISR_X_BIT) & 1UL) << VM_EXEC_BIT)
diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c
index f2ff377..9b6163c 100644
--- a/arch/m68k/mm/fault.c
+++ b/arch/m68k/mm/fault.c
@@ -70,7 +70,7 @@
 {
 	struct mm_struct *mm = current->mm;
 	struct vm_area_struct * vma;
-	int fault;
+	vm_fault_t fault;
 	unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 
 	pr_debug("do page fault:\nregs->sr=%#x, regs->pc=%#lx, address=%#lx, %ld, %p\n",
@@ -136,7 +136,7 @@
 	 */
 
 	fault = handle_mm_fault(vma, address, flags);
-	pr_debug("handle_mm_fault returns %d\n", fault);
+	pr_debug("handle_mm_fault returns %x\n", fault);
 
 	if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current))
 		return 0;
diff --git a/arch/microblaze/mm/fault.c b/arch/microblaze/mm/fault.c
index af60744..202ad6a 100644
--- a/arch/microblaze/mm/fault.c
+++ b/arch/microblaze/mm/fault.c
@@ -90,7 +90,7 @@
 	struct mm_struct *mm = current->mm;
 	int code = SEGV_MAPERR;
 	int is_write = error_code & ESR_S;
-	int fault;
+	vm_fault_t fault;
 	unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 
 	regs->ear = address;
diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
index 5f71f2b..73d8a0f 100644
--- a/arch/mips/mm/fault.c
+++ b/arch/mips/mm/fault.c
@@ -43,7 +43,7 @@
 	struct mm_struct *mm = tsk->mm;
 	const int field = sizeof(unsigned long) * 2;
 	int si_code;
-	int fault;
+	vm_fault_t fault;
 	unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 
 	static DEFINE_RATELIMIT_STATE(ratelimit_state, 5 * HZ, 10);
diff --git a/arch/nds32/mm/fault.c b/arch/nds32/mm/fault.c
index 9bdb7c3..b740534 100644
--- a/arch/nds32/mm/fault.c
+++ b/arch/nds32/mm/fault.c
@@ -73,7 +73,7 @@
 	struct mm_struct *mm;
 	struct vm_area_struct *vma;
 	int si_code;
-	int fault;
+	vm_fault_t fault;
 	unsigned int mask = VM_READ | VM_WRITE | VM_EXEC;
 	unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 
diff --git a/arch/nios2/mm/fault.c b/arch/nios2/mm/fault.c
index b804dd0..24fd84c 100644
--- a/arch/nios2/mm/fault.c
+++ b/arch/nios2/mm/fault.c
@@ -47,7 +47,7 @@
 	struct task_struct *tsk = current;
 	struct mm_struct *mm = tsk->mm;
 	int code = SEGV_MAPERR;
-	int fault;
+	vm_fault_t fault;
 	unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 
 	cause >>= 2;
diff --git a/arch/openrisc/mm/fault.c b/arch/openrisc/mm/fault.c
index 9f011d1..dc4dbaf 100644
--- a/arch/openrisc/mm/fault.c
+++ b/arch/openrisc/mm/fault.c
@@ -53,7 +53,7 @@
 	struct mm_struct *mm;
 	struct vm_area_struct *vma;
 	int si_code;
-	int fault;
+	vm_fault_t fault;
 	unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 
 	tsk = current;
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index a801179..c8e8b7c 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -262,7 +262,7 @@
 	struct task_struct *tsk;
 	struct mm_struct *mm;
 	unsigned long acc_type;
-	int fault = 0;
+	vm_fault_t fault = 0;
 	unsigned int flags;
 
 	if (faulthandler_disabled())
diff --git a/arch/powerpc/include/asm/copro.h b/arch/powerpc/include/asm/copro.h
index ce216df..48616fe 100644
--- a/arch/powerpc/include/asm/copro.h
+++ b/arch/powerpc/include/asm/copro.h
@@ -10,13 +10,15 @@
 #ifndef _ASM_POWERPC_COPRO_H
 #define _ASM_POWERPC_COPRO_H
 
+#include <linux/mm_types.h>
+
 struct copro_slb
 {
 	u64 esid, vsid;
 };
 
 int copro_handle_mm_fault(struct mm_struct *mm, unsigned long ea,
-			  unsigned long dsisr, unsigned *flt);
+			  unsigned long dsisr, vm_fault_t *flt);
 
 int copro_calculate_slb(struct mm_struct *mm, u64 ea, struct copro_slb *slb);
 
diff --git a/arch/powerpc/mm/copro_fault.c b/arch/powerpc/mm/copro_fault.c
index 7d0945b..c8da352 100644
--- a/arch/powerpc/mm/copro_fault.c
+++ b/arch/powerpc/mm/copro_fault.c
@@ -34,7 +34,7 @@
  * to handle fortunately.
  */
 int copro_handle_mm_fault(struct mm_struct *mm, unsigned long ea,
-		unsigned long dsisr, unsigned *flt)
+		unsigned long dsisr, vm_fault_t *flt)
 {
 	struct vm_area_struct *vma;
 	unsigned long is_write;
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index b1ca7a0..7c06131 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -156,7 +156,7 @@
 }
 
 static int do_sigbus(struct pt_regs *regs, unsigned long address,
-		     unsigned int fault)
+		     vm_fault_t fault)
 {
 	siginfo_t info;
 	unsigned int lsb = 0;
@@ -187,7 +187,8 @@
 	return 0;
 }
 
-static int mm_fault_error(struct pt_regs *regs, unsigned long addr, int fault)
+static int mm_fault_error(struct pt_regs *regs, unsigned long addr,
+				vm_fault_t fault)
 {
 	/*
 	 * Kernel page fault interrupted by SIGKILL. We have no reason to
@@ -415,7 +416,7 @@
  	int is_exec = TRAP(regs) == 0x400;
 	int is_user = user_mode(regs);
 	int is_write = page_fault_is_write(error_code);
-	int fault, major = 0;
+	vm_fault_t fault, major = 0;
 	bool must_retry = false;
 
 	if (notify_page_fault(regs))
diff --git a/arch/powerpc/platforms/cell/spufs/fault.c b/arch/powerpc/platforms/cell/spufs/fault.c
index 1e002e9..83cf58d 100644
--- a/arch/powerpc/platforms/cell/spufs/fault.c
+++ b/arch/powerpc/platforms/cell/spufs/fault.c
@@ -111,7 +111,7 @@
 {
 	u64 ea, dsisr, access;
 	unsigned long flags;
-	unsigned flt = 0;
+	vm_fault_t flt = 0;
 	int ret;
 
 	/*
diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c
index 148c98c..88401d5 100644
--- a/arch/riscv/mm/fault.c
+++ b/arch/riscv/mm/fault.c
@@ -41,7 +41,8 @@
 	struct mm_struct *mm;
 	unsigned long addr, cause;
 	unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
-	int fault, code = SEGV_MAPERR;
+	int code = SEGV_MAPERR;
+	vm_fault_t fault;
 
 	cause = regs->scause;
 	addr = regs->sbadaddr;
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 4cc3f06..72af23b 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -341,7 +341,8 @@
 	return -EACCES;
 }
 
-static noinline void do_fault_error(struct pt_regs *regs, int access, int fault)
+static noinline void do_fault_error(struct pt_regs *regs, int access,
+					vm_fault_t fault)
 {
 	int si_code;
 
@@ -401,7 +402,7 @@
  *   11       Page translation     ->  Not present       (nullification)
  *   3b       Region third trans.  ->  Not present       (nullification)
  */
-static inline int do_exception(struct pt_regs *regs, int access)
+static inline vm_fault_t do_exception(struct pt_regs *regs, int access)
 {
 	struct gmap *gmap;
 	struct task_struct *tsk;
@@ -411,7 +412,7 @@
 	unsigned long trans_exc_code;
 	unsigned long address;
 	unsigned int flags;
-	int fault;
+	vm_fault_t fault;
 
 	tsk = current;
 	/*
@@ -564,7 +565,8 @@
 void do_protection_exception(struct pt_regs *regs)
 {
 	unsigned long trans_exc_code;
-	int access, fault;
+	int access;
+	vm_fault_t fault;
 
 	trans_exc_code = regs->int_parm_long;
 	/*
@@ -599,7 +601,8 @@
 
 void do_dat_exception(struct pt_regs *regs)
 {
-	int access, fault;
+	int access;
+	vm_fault_t fault;
 
 	access = VM_READ | VM_EXEC | VM_WRITE;
 	fault = do_exception(regs, access);
diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c
index b8e7bb8..6defd2c6 100644
--- a/arch/sh/mm/fault.c
+++ b/arch/sh/mm/fault.c
@@ -313,7 +313,7 @@
 
 static noinline int
 mm_fault_error(struct pt_regs *regs, unsigned long error_code,
-	       unsigned long address, unsigned int fault)
+	       unsigned long address, vm_fault_t fault)
 {
 	/*
 	 * Pagefault was interrupted by SIGKILL. We have no reason to
@@ -396,7 +396,7 @@
 	struct task_struct *tsk;
 	struct mm_struct *mm;
 	struct vm_area_struct * vma;
-	int fault;
+	vm_fault_t fault;
 	unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 
 	tsk = current;
diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c
index 9f75b64..b0440b0 100644
--- a/arch/sparc/mm/fault_32.c
+++ b/arch/sparc/mm/fault_32.c
@@ -166,7 +166,8 @@
 	unsigned int fixup;
 	unsigned long g2;
 	int from_user = !(regs->psr & PSR_PS);
-	int fault, code;
+	int code;
+	vm_fault_t fault;
 	unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 
 	if (text_fault)
diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
index 63166fc..8f8a604 100644
--- a/arch/sparc/mm/fault_64.c
+++ b/arch/sparc/mm/fault_64.c
@@ -278,7 +278,8 @@
 	struct mm_struct *mm = current->mm;
 	struct vm_area_struct *vma;
 	unsigned int insn = 0;
-	int si_code, fault_code, fault;
+	int si_code, fault_code;
+	vm_fault_t fault;
 	unsigned long address, mm_rss;
 	unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 
diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c
index ec9a42c..cced829 100644
--- a/arch/um/kernel/trap.c
+++ b/arch/um/kernel/trap.c
@@ -72,7 +72,7 @@
 	}
 
 	do {
-		int fault;
+		vm_fault_t fault;
 
 		fault = handle_mm_fault(vma, address, flags);
 
diff --git a/arch/unicore32/mm/fault.c b/arch/unicore32/mm/fault.c
index 3814734..8f12a5b 100644
--- a/arch/unicore32/mm/fault.c
+++ b/arch/unicore32/mm/fault.c
@@ -168,11 +168,11 @@
 	return vma->vm_flags & mask ? false : true;
 }
 
-static int __do_pf(struct mm_struct *mm, unsigned long addr, unsigned int fsr,
-		unsigned int flags, struct task_struct *tsk)
+static vm_fault_t __do_pf(struct mm_struct *mm, unsigned long addr,
+		unsigned int fsr, unsigned int flags, struct task_struct *tsk)
 {
 	struct vm_area_struct *vma;
-	int fault;
+	vm_fault_t fault;
 
 	vma = find_vma(mm, addr);
 	fault = VM_FAULT_BADMAP;
@@ -209,7 +209,8 @@
 {
 	struct task_struct *tsk;
 	struct mm_struct *mm;
-	int fault, sig, code;
+	int sig, code;
+	vm_fault_t fault;
 	unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 
 	tsk = current;
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index db1c042..b9123c4 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -16,6 +16,7 @@
 #include <linux/prefetch.h>		/* prefetchw			*/
 #include <linux/context_tracking.h>	/* exception_enter(), ...	*/
 #include <linux/uaccess.h>		/* faulthandler_disabled()	*/
+#include <linux/mm_types.h>
 
 #include <asm/cpufeature.h>		/* boot_cpu_has, ...		*/
 #include <asm/traps.h>			/* dotraplinkage, ...		*/
@@ -999,7 +1000,7 @@
 
 static noinline void
 mm_fault_error(struct pt_regs *regs, unsigned long error_code,
-	       unsigned long address, u32 *pkey, unsigned int fault)
+	       unsigned long address, u32 *pkey, vm_fault_t fault)
 {
 	if (fatal_signal_pending(current) && !(error_code & X86_PF_USER)) {
 		no_context(regs, error_code, address, 0, 0);
@@ -1213,7 +1214,7 @@
 	struct vm_area_struct *vma;
 	struct task_struct *tsk;
 	struct mm_struct *mm;
-	int fault, major = 0;
+	vm_fault_t fault, major = 0;
 	unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 	u32 pkey;
 
diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c
index c111a83..2ab0e0d 100644
--- a/arch/xtensa/mm/fault.c
+++ b/arch/xtensa/mm/fault.c
@@ -42,7 +42,7 @@
 	int code;
 
 	int is_write, is_exec;
-	int fault;
+	vm_fault_t fault;
 	unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 
 	code = SEGV_MAPERR;
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index 1d0b53a0..58da65d 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -508,7 +508,7 @@
 {
 	struct fault *fault = container_of(work, struct fault, work);
 	struct vm_area_struct *vma;
-	int ret = VM_FAULT_ERROR;
+	vm_fault_t ret = VM_FAULT_ERROR;
 	unsigned int flags = 0;
 	struct mm_struct *mm;
 	u64 address;
diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c
index 45f6e58..7d65aab 100644
--- a/drivers/iommu/intel-svm.c
+++ b/drivers/iommu/intel-svm.c
@@ -24,6 +24,7 @@
 #include <linux/pci-ats.h>
 #include <linux/dmar.h>
 #include <linux/interrupt.h>
+#include <linux/mm_types.h>
 #include <asm/page.h>
 
 #define PASID_ENTRY_P		BIT_ULL(0)
@@ -594,7 +595,8 @@
 		struct vm_area_struct *vma;
 		struct page_req_dsc *req;
 		struct qi_desc resp;
-		int ret, result;
+		int result;
+		vm_fault_t ret;
 		u64 address;
 
 		handled = 1;
diff --git a/drivers/misc/cxl/fault.c b/drivers/misc/cxl/fault.c
index 70dbb6d..93ecc67 100644
--- a/drivers/misc/cxl/fault.c
+++ b/drivers/misc/cxl/fault.c
@@ -134,7 +134,7 @@
 
 int cxl_handle_mm_fault(struct mm_struct *mm, u64 dsisr, u64 dar)
 {
-	unsigned flt = 0;
+	vm_fault_t flt = 0;
 	int result;
 	unsigned long access, flags, inv_flags = 0;
 
diff --git a/drivers/misc/ocxl/link.c b/drivers/misc/ocxl/link.c
index 88876ae..ffc731b 100644
--- a/drivers/misc/ocxl/link.c
+++ b/drivers/misc/ocxl/link.c
@@ -2,6 +2,7 @@
 // Copyright 2017 IBM Corp.
 #include <linux/sched/mm.h>
 #include <linux/mutex.h>
+#include <linux/mm_types.h>
 #include <linux/mmu_context.h>
 #include <asm/copro.h>
 #include <asm/pnv-ocxl.h>
@@ -126,7 +127,7 @@
 
 static void xsl_fault_handler_bh(struct work_struct *fault_work)
 {
-	unsigned int flt = 0;
+	vm_fault_t flt = 0;
 	unsigned long access, flags, inv_flags = 0;
 	enum xsl_response r;
 	struct xsl_fault *fault = container_of(fault_work, struct xsl_fault,
diff --git a/mm/hmm.c b/mm/hmm.c
index f40e8ad..caf9df2 100644
--- a/mm/hmm.c
+++ b/mm/hmm.c
@@ -299,14 +299,14 @@
 	struct hmm_vma_walk *hmm_vma_walk = walk->private;
 	struct hmm_range *range = hmm_vma_walk->range;
 	struct vm_area_struct *vma = walk->vma;
-	int r;
+	vm_fault_t ret;
 
 	flags |= hmm_vma_walk->block ? 0 : FAULT_FLAG_ALLOW_RETRY;
 	flags |= write_fault ? FAULT_FLAG_WRITE : 0;
-	r = handle_mm_fault(vma, addr, flags);
-	if (r & VM_FAULT_RETRY)
+	ret = handle_mm_fault(vma, addr, flags);
+	if (ret & VM_FAULT_RETRY)
 		return -EBUSY;
-	if (r & VM_FAULT_ERROR) {
+	if (ret & VM_FAULT_ERROR) {
 		*pfn = range->values[HMM_PFN_ERROR];
 		return -EFAULT;
 	}
diff --git a/mm/ksm.c b/mm/ksm.c
index 9b855a8..2621be5 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -470,7 +470,7 @@
 static int break_ksm(struct vm_area_struct *vma, unsigned long addr)
 {
 	struct page *page;
-	int ret = 0;
+	vm_fault_t ret = 0;
 
 	do {
 		cond_resched();