Pretty self explanatory. Just adding one of the same counters that I used to gather data for the other patches.
Cc: Andrew Morton <a...@linux-foundation.org> Cc: Bob Liu <lliu...@gmail.com> Cc: David Rientjes <rient...@google.com> Cc: Eric W. Biederman <ebied...@xmission.com> Cc: Hugh Dickins <hu...@google.com> Cc: Ingo Molnar <mi...@redhat.com> Cc: Kees Cook <keesc...@chromium.org> Cc: Kirill A. Shutemov <kirill.shute...@linux.intel.com> Cc: Mel Gorman <mgor...@suse.de> Cc: Oleg Nesterov <o...@redhat.com> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Rik van Riel <r...@redhat.com> Cc: Thomas Gleixner <t...@linutronix.de> Cc: Vladimir Davydov <vdavy...@parallels.com> Cc: linux-kernel@vger.kernel.org --- include/linux/sched.h | 3 +++ mm/huge_memory.c | 1 + 2 files changed, 4 insertions(+) diff --git a/include/linux/sched.h b/include/linux/sched.h index 5e344bb..9b87d9a 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1661,6 +1661,9 @@ struct task_struct { unsigned int sequential_io; unsigned int sequential_io_avg; #endif +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + unsigned int pgcollapse_pages_collapsed; +#endif }; /* Future-safe accessor for struct task_struct's cpus_allowed. */ diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 74c78aa..ca8a813 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2531,6 +2531,7 @@ static void collapse_huge_page(struct mm_struct *mm, *hpage = NULL; + mm->owner->pgcollapse_pages_collapsed++; khugepaged_pages_collapsed++; out_up_write: up_write(&mm->mmap_sem); -- 1.7.12.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/