diff options
Diffstat (limited to 'mm/memory.c')
| -rw-r--r-- | mm/memory.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/mm/memory.c b/mm/memory.c index 9b7d35734caa..2b7f0e00f312 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -4400,20 +4400,23 @@ static inline void mm_account_fault(struct pt_regs *regs, */ major = (ret & VM_FAULT_MAJOR) || (flags & FAULT_FLAG_TRIED); + if (major) + current->maj_flt++; + else + current->min_flt++; + /* - * If the fault is done for GUP, regs will be NULL, and we will skip - * the fault accounting. + * If the fault is done for GUP, regs will be NULL. We only do the + * accounting for the per thread fault counters who triggered the + * fault, and we skip the perf event updates. */ if (!regs) return; - if (major) { - current->maj_flt++; + if (major) perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, regs, address); - } else { - current->min_flt++; + else perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, regs, address); - } } /* |