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yaml
---
r: 154743
b: refs/heads/master
c: 163b2f0
h: refs/heads/master
i:
  154741: e4bbaff
  154739: bf12fdc
  154735: e1d2cac
v: v3
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Paul Mundt committed Jun 24, 2009
1 parent 9df3eb4 commit 3b9a0e2
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Showing 2 changed files with 13 additions and 4 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 7433ab770327b471399f7b5baacad78e160b5393
refs/heads/master: 163b2f0ba93e9298b3d5fff2337d860c3872ec60
15 changes: 12 additions & 3 deletions trunk/arch/sh/mm/tlbflush_64.c
Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@
*
* Copyright (C) 2000, 2001 Paolo Alberelli
* Copyright (C) 2003 Richard Curnow (/proc/tlb, bug fixes)
* Copyright (C) 2003 Paul Mundt
* Copyright (C) 2003 - 2009 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
Expand All @@ -20,6 +20,7 @@
#include <linux/mman.h>
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/perf_counter.h>
#include <linux/interrupt.h>
#include <asm/system.h>
#include <asm/io.h>
Expand Down Expand Up @@ -115,6 +116,8 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
/* Not an IO address, so reenable interrupts */
local_irq_enable();

perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);

/*
* If we're in an interrupt or have no user
* context, we must not take the fault..
Expand Down Expand Up @@ -195,10 +198,16 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
goto do_sigbus;
BUG();
}
if (fault & VM_FAULT_MAJOR)

if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
else
perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
regs, address);
} else {
tsk->min_flt++;
perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
regs, address);
}

/* If we get here, the page fault has been handled. Do the TLB refill
now from the newly-setup PTE, to avoid having to fault again right
Expand Down

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