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-rw-r--r--arch/alpha/mm/fault.c3
-rw-r--r--arch/arc/mm/fault.c4
-rw-r--r--arch/arm/mm/fault.c7
-rw-r--r--arch/arm64/mm/fault.c6
-rw-r--r--arch/hexagon/mm/vm_fault.c2
-rw-r--r--arch/ia64/mm/fault.c2
-rw-r--r--arch/m68k/mm/fault.c4
-rw-r--r--arch/microblaze/mm/fault.c2
-rw-r--r--arch/mips/mm/fault.c2
-rw-r--r--arch/nds32/mm/fault.c2
-rw-r--r--arch/nios2/mm/fault.c2
-rw-r--r--arch/openrisc/mm/fault.c2
-rw-r--r--arch/parisc/mm/fault.c2
-rw-r--r--arch/powerpc/include/asm/copro.h4
-rw-r--r--arch/powerpc/mm/copro_fault.c2
-rw-r--r--arch/powerpc/mm/fault.c7
-rw-r--r--arch/powerpc/platforms/cell/spufs/fault.c2
-rw-r--r--arch/riscv/mm/fault.c3
-rw-r--r--arch/s390/mm/fault.c13
-rw-r--r--arch/sh/mm/fault.c4
-rw-r--r--arch/sparc/mm/fault_32.c3
-rw-r--r--arch/sparc/mm/fault_64.c3
-rw-r--r--arch/um/kernel/trap.c2
-rw-r--r--arch/unicore32/mm/fault.c9
-rw-r--r--arch/x86/mm/fault.c5
-rw-r--r--arch/xtensa/mm/fault.c2
26 files changed, 57 insertions, 42 deletions
diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c
index de2bd217adad..d73dc473fbb9 100644
--- a/arch/alpha/mm/fault.c
+++ b/arch/alpha/mm/fault.c
@@ -87,7 +87,8 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
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 b884bbd6f354..db6913094be3 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 @@ void do_page_fault(unsigned long address, struct pt_regs *regs)
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 84becc911ee3..3232afb6fdc0 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -224,12 +224,12 @@ static inline bool access_error(unsigned int fsr, struct vm_area_struct *vma)
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 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
{
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 9943690a3924..50b30ff30de4 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -379,12 +379,12 @@ static void do_bad_area(unsigned long addr, unsigned int esr, struct pt_regs *re
#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 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
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 933bbcef5363..eb263e61daf4 100644
--- a/arch/hexagon/mm/vm_fault.c
+++ b/arch/hexagon/mm/vm_fault.c
@@ -52,7 +52,7 @@ void do_page_fault(unsigned long address, long cause, struct pt_regs *regs)
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 817fa120645f..a9d55ad8d67b 100644
--- a/arch/ia64/mm/fault.c
+++ b/arch/ia64/mm/fault.c
@@ -86,7 +86,7 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
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 f2ff3779875a..9b6163c05a75 100644
--- a/arch/m68k/mm/fault.c
+++ b/arch/m68k/mm/fault.c
@@ -70,7 +70,7 @@ int do_page_fault(struct pt_regs *regs, unsigned long address,
{
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 @@ good_area:
*/
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 af607447c683..202ad6a494f5 100644
--- a/arch/microblaze/mm/fault.c
+++ b/arch/microblaze/mm/fault.c
@@ -90,7 +90,7 @@ void do_page_fault(struct pt_regs *regs, unsigned long address,
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 5f71f2b903b7..73d8a0f0b810 100644
--- a/arch/mips/mm/fault.c
+++ b/arch/mips/mm/fault.c
@@ -43,7 +43,7 @@ static void __kprobes __do_page_fault(struct pt_regs *regs, unsigned long write,
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 9bdb7c3ecbb6..b740534b152c 100644
--- a/arch/nds32/mm/fault.c
+++ b/arch/nds32/mm/fault.c
@@ -73,7 +73,7 @@ void do_page_fault(unsigned long entry, unsigned long addr,
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 b804dd06ea1c..24fd84cf6006 100644
--- a/arch/nios2/mm/fault.c
+++ b/arch/nios2/mm/fault.c
@@ -47,7 +47,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long cause,
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 9f011d16cc46..dc4dbafc1d83 100644
--- a/arch/openrisc/mm/fault.c
+++ b/arch/openrisc/mm/fault.c
@@ -53,7 +53,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long address,
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 a80117980fc2..c8e8b7c05558 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -262,7 +262,7 @@ void do_page_fault(struct pt_regs *regs, unsigned long code,
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 ce216df31381..48616fe7ea75 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 7d0945bd3a61..c8da352e8686 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 b1ca7a0974e3..7c061313cc6f 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -156,7 +156,7 @@ static noinline int bad_access(struct pt_regs *regs, unsigned long address)
}
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 @@ static int do_sigbus(struct pt_regs *regs, unsigned long address,
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 @@ static int __do_page_fault(struct pt_regs *regs, unsigned long address,
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 1e002e94d0f6..83cf58daaa79 100644
--- a/arch/powerpc/platforms/cell/spufs/fault.c
+++ b/arch/powerpc/platforms/cell/spufs/fault.c
@@ -111,7 +111,7 @@ int spufs_handle_class1(struct spu_context *ctx)
{
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 148c98ca9b45..88401d5125bc 100644
--- a/arch/riscv/mm/fault.c
+++ b/arch/riscv/mm/fault.c
@@ -41,7 +41,8 @@ asmlinkage void do_page_fault(struct pt_regs *regs)
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 4cc3f06b0ab3..72af23bacbb5 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -341,7 +341,8 @@ static noinline int signal_return(struct pt_regs *regs)
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 @@ static noinline void do_fault_error(struct pt_regs *regs, int access, int fault)
* 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 @@ static inline int do_exception(struct pt_regs *regs, int access)
unsigned long trans_exc_code;
unsigned long address;
unsigned int flags;
- int fault;
+ vm_fault_t fault;
tsk = current;
/*
@@ -564,7 +565,8 @@ out:
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 @@ NOKPROBE_SYMBOL(do_protection_exception);
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 b8e7bb84b6b1..6defd2c6d9b1 100644
--- a/arch/sh/mm/fault.c
+++ b/arch/sh/mm/fault.c
@@ -313,7 +313,7 @@ do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address)
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 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
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 9f75b6444bf1..b0440b0edd97 100644
--- a/arch/sparc/mm/fault_32.c
+++ b/arch/sparc/mm/fault_32.c
@@ -166,7 +166,8 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
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 63166fcf9e25..8f8a604c1300 100644
--- a/arch/sparc/mm/fault_64.c
+++ b/arch/sparc/mm/fault_64.c
@@ -278,7 +278,8 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
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 ec9a42c14c56..cced82946042 100644
--- a/arch/um/kernel/trap.c
+++ b/arch/um/kernel/trap.c
@@ -72,7 +72,7 @@ good_area:
}
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 381473412937..8f12a5b50a42 100644
--- a/arch/unicore32/mm/fault.c
+++ b/arch/unicore32/mm/fault.c
@@ -168,11 +168,11 @@ static inline bool access_error(unsigned int fsr, struct vm_area_struct *vma)
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 @@ static int do_pf(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
{
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 db1c042e9853..b9123c497e0a 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 @@ do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address,
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 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code,
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 c111a833205a..2ab0e0dcd166 100644
--- a/arch/xtensa/mm/fault.c
+++ b/arch/xtensa/mm/fault.c
@@ -42,7 +42,7 @@ void do_page_fault(struct pt_regs *regs)
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;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.