diff options
Diffstat (limited to 'arch/sh/mm/tlbflush_64.c')
-rw-r--r-- | arch/sh/mm/tlbflush_64.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/arch/sh/mm/tlbflush_64.c b/arch/sh/mm/tlbflush_64.c index fcbb6e135cef..3ce40ea34824 100644 --- a/arch/sh/mm/tlbflush_64.c +++ b/arch/sh/mm/tlbflush_64.c | |||
@@ -3,7 +3,7 @@ | |||
3 | * | 3 | * |
4 | * Copyright (C) 2000, 2001 Paolo Alberelli | 4 | * Copyright (C) 2000, 2001 Paolo Alberelli |
5 | * Copyright (C) 2003 Richard Curnow (/proc/tlb, bug fixes) | 5 | * Copyright (C) 2003 Richard Curnow (/proc/tlb, bug fixes) |
6 | * Copyright (C) 2003 Paul Mundt | 6 | * Copyright (C) 2003 - 2009 Paul Mundt |
7 | * | 7 | * |
8 | * This file is subject to the terms and conditions of the GNU General Public | 8 | * This file is subject to the terms and conditions of the GNU General Public |
9 | * License. See the file "COPYING" in the main directory of this archive | 9 | * License. See the file "COPYING" in the main directory of this archive |
@@ -20,6 +20,7 @@ | |||
20 | #include <linux/mman.h> | 20 | #include <linux/mman.h> |
21 | #include <linux/mm.h> | 21 | #include <linux/mm.h> |
22 | #include <linux/smp.h> | 22 | #include <linux/smp.h> |
23 | #include <linux/perf_counter.h> | ||
23 | #include <linux/interrupt.h> | 24 | #include <linux/interrupt.h> |
24 | #include <asm/system.h> | 25 | #include <asm/system.h> |
25 | #include <asm/io.h> | 26 | #include <asm/io.h> |
@@ -115,6 +116,8 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess, | |||
115 | /* Not an IO address, so reenable interrupts */ | 116 | /* Not an IO address, so reenable interrupts */ |
116 | local_irq_enable(); | 117 | local_irq_enable(); |
117 | 118 | ||
119 | perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address); | ||
120 | |||
118 | /* | 121 | /* |
119 | * If we're in an interrupt or have no user | 122 | * If we're in an interrupt or have no user |
120 | * context, we must not take the fault.. | 123 | * context, we must not take the fault.. |
@@ -195,10 +198,16 @@ survive: | |||
195 | goto do_sigbus; | 198 | goto do_sigbus; |
196 | BUG(); | 199 | BUG(); |
197 | } | 200 | } |
198 | if (fault & VM_FAULT_MAJOR) | 201 | |
202 | if (fault & VM_FAULT_MAJOR) { | ||
199 | tsk->maj_flt++; | 203 | tsk->maj_flt++; |
200 | else | 204 | perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0, |
205 | regs, address); | ||
206 | } else { | ||
201 | tsk->min_flt++; | 207 | tsk->min_flt++; |
208 | perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0, | ||
209 | regs, address); | ||
210 | } | ||
202 | 211 | ||
203 | /* If we get here, the page fault has been handled. Do the TLB refill | 212 | /* If we get here, the page fault has been handled. Do the TLB refill |
204 | now from the newly-setup PTE, to avoid having to fault again right | 213 | now from the newly-setup PTE, to avoid having to fault again right |