[IA64] invoke oom-killer from page fault

[linux-2.6-block.git] / arch / arm / mm / fault.c

diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index 10e06801afb38e9d0a60cdb8b8cd94d43bc9e139..9d40c341e07e5846e270934c2b942035cae19f44 100644 (file)
--- 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
         */