From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f69.google.com (mail-pg0-f69.google.com [74.125.83.69]) by kanga.kvack.org (Postfix) with ESMTP id DB48F6B0024 for ; Wed, 11 Apr 2018 04:09:44 -0400 (EDT) Received: by mail-pg0-f69.google.com with SMTP id q6so335623pgv.12 for ; Wed, 11 Apr 2018 01:09:44 -0700 (PDT) Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id w12sor152185pfd.132.2018.04.11.01.09.43 for (Google Transport Security); Wed, 11 Apr 2018 01:09:43 -0700 (PDT) From: Naoya Horiguchi Subject: [PATCH v1 2/2] mm: migrate: add vm event counters hugetlb_migrate_(success|fail) Date: Wed, 11 Apr 2018 17:09:27 +0900 Message-Id: <1523434167-19995-3-git-send-email-n-horiguchi@ah.jp.nec.com> In-Reply-To: <1523434167-19995-1-git-send-email-n-horiguchi@ah.jp.nec.com> References: <1523434167-19995-1-git-send-email-n-horiguchi@ah.jp.nec.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org Cc: Michal Hocko , Zi Yan , "Kirill A. Shutemov" , Andrew Morton , Vlastimil Babka , linux-kernel@vger.kernel.org >>From the same motivation as the previous patch, this patch is suggesting to add separate counters for hugetlb migration. Signed-off-by: Naoya Horiguchi --- include/linux/vm_event_item.h | 3 +++ mm/migrate.c | 10 ++++++++++ mm/vmstat.c | 4 ++++ 3 files changed, 17 insertions(+) diff --git v4.16-mmotm-2018-04-10-17-02/include/linux/vm_event_item.h v4.16-mmotm-2018-04-10-17-02_patched/include/linux/vm_event_item.h index fa2d2e0..24966ae 100644 --- v4.16-mmotm-2018-04-10-17-02/include/linux/vm_event_item.h +++ v4.16-mmotm-2018-04-10-17-02_patched/include/linux/vm_event_item.h @@ -62,6 +62,9 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT, #endif #ifdef CONFIG_HUGETLB_PAGE HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL, +#ifdef CONFIG_MIGRATION + HTLB_MIGRATE_SUCCESS, HTLB_MIGRATE_FAIL, +#endif #endif UNEVICTABLE_PGCULLED, /* culled to noreclaim list */ UNEVICTABLE_PGSCANNED, /* scanned for reclaimability */ diff --git v4.16-mmotm-2018-04-10-17-02/mm/migrate.c v4.16-mmotm-2018-04-10-17-02_patched/mm/migrate.c index 46ff23a..279b143 100644 --- v4.16-mmotm-2018-04-10-17-02/mm/migrate.c +++ v4.16-mmotm-2018-04-10-17-02_patched/mm/migrate.c @@ -1357,6 +1357,9 @@ enum migrate_result_type { enum migrate_page_type { MIGRATE_PAGE_NORMAL, +#ifdef CONFIG_HUGETLB_PAGE + MIGRATE_PAGE_HUGETLB, +#endif #ifdef CONFIG_TRANSPARENT_HUGEPAGE MIGRATE_PAGE_THP, #endif @@ -1368,6 +1371,9 @@ static struct migrate_event { int failed; } migrate_events[] = { { PGMIGRATE_SUCCESS, PGMIGRATE_FAIL }, +#ifdef CONFIG_HUGETLB_PAGE + { HTLB_MIGRATE_SUCCESS, HTLB_MIGRATE_FAIL }, +#endif #ifdef CONFIG_TRANSPARENT_HUGEPAGE { THP_MIGRATE_SUCCESS, THP_MIGRATE_FAIL }, #endif @@ -1375,6 +1381,10 @@ static struct migrate_event { static inline enum migrate_page_type get_type(struct page *page) { +#ifdef CONFIG_HUGETLB_PAGE + if (PageHuge(page)) + return MIGRATE_PAGE_HUGETLB; +#endif #ifdef CONFIG_TRANSPARENT_HUGEPAGE if (PageTransHuge(page)) return MIGRATE_PAGE_THP; diff --git v4.16-mmotm-2018-04-10-17-02/mm/vmstat.c v4.16-mmotm-2018-04-10-17-02_patched/mm/vmstat.c index 57e9cc3..27a005f 100644 --- v4.16-mmotm-2018-04-10-17-02/mm/vmstat.c +++ v4.16-mmotm-2018-04-10-17-02_patched/mm/vmstat.c @@ -1236,6 +1236,10 @@ const char * const vmstat_text[] = { #ifdef CONFIG_HUGETLB_PAGE "htlb_buddy_alloc_success", "htlb_buddy_alloc_fail", +#ifdef CONFIG_MIGRATION + "htlb_migrate_success", + "htlb_migrate_fail", +#endif #endif "unevictable_pgs_culled", "unevictable_pgs_scanned", -- 2.7.0