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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-01 09:15:15 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-01 09:15:15 -0800 |
| commit | ac0f6f927db539e03e1f3f61bcd4ed57d5cde7a9 (patch) | |
| tree | 816e5ac643b15c2050c64a7075f0f7e13d86ea09 /arch/arm/mm/fault.c | |
| parent | b1bf9368407ae7e89d8a005bb40beb70a41df539 (diff) | |
| parent | 9f33be2c3a80bdc2cc08342dd77fac87652e0548 (diff) | |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (100 commits)
ARM: Eliminate decompressor -Dstatic= PIC hack
ARM: 5958/1: ARM: U300: fix inverted clk round rate
ARM: 5956/1: misplaced parentheses
ARM: 5955/1: ep93xx: move timer defines into core.c and document
ARM: 5954/1: ep93xx: move gpio interrupt support to gpio.c
ARM: 5953/1: ep93xx: fix broken build of clock.c
ARM: 5952/1: ARM: MM: Add ARM_L1_CACHE_SHIFT_6 for handle inside each ARCH Kconfig
ARM: 5949/1: NUC900 add gpio virtual memory map
ARM: 5948/1: Enable timer0 to time4 clock support for nuc910
ARM: 5940/2: ARM: MMCI: remove custom DBG macro and printk
ARM: make_coherent(): fix problems with highpte, part 2
MM: Pass a PTE pointer to update_mmu_cache() rather than the PTE itself
ARM: 5945/1: ep93xx: include correct irq.h in core.c
ARM: 5933/1: amba-pl011: support hardware flow control
ARM: 5930/1: Add PKMAP area description to memory.txt.
ARM: 5929/1: Add checks to detect overlap of memory regions.
ARM: 5928/1: Change type of VMALLOC_END to unsigned long.
ARM: 5927/1: Make delimiters of DMA area globally visibly.
ARM: 5926/1: Add "Virtual kernel memory..." printout.
ARM: 5920/1: OMAP4: Enable L2 Cache
...
Fix up trivial conflict in arch/arm/mach-mx25/clock.c
Diffstat (limited to 'arch/arm/mm/fault.c')
| -rw-r--r-- | arch/arm/mm/fault.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index 10e06801afb..9d40c341e07 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -18,6 +18,7 @@ #include <linux/page-flags.h> #include <linux/sched.h> #include <linux/highmem.h> +#include <linux/perf_event.h> #include <asm/system.h> #include <asm/pgtable.h> @@ -302,6 +303,12 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) fault = __do_page_fault(mm, addr, fsr, tsk); up_read(&mm->mmap_sem); + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, addr); + if (fault & VM_FAULT_MAJOR) + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0, regs, addr); + else if (fault & VM_FAULT_MINOR) + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0, regs, addr); + /* * Handle the "normal" case first - VM_FAULT_MAJOR / VM_FAULT_MINOR */ |