From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f200.google.com (mail-pf0-f200.google.com [209.85.192.200]) by kanga.kvack.org (Postfix) with ESMTP id 9D9DE6B0263 for ; Fri, 8 Jul 2016 08:12:12 -0400 (EDT) Received: by mail-pf0-f200.google.com with SMTP id e189so92406059pfa.2 for ; Fri, 08 Jul 2016 05:12:12 -0700 (PDT) Received: from mail-pa0-x242.google.com (mail-pa0-x242.google.com. [2607:f8b0:400e:c03::242]) by mx.google.com with ESMTPS id sm3si580019pab.180.2016.07.08.05.12.11 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 08 Jul 2016 05:12:11 -0700 (PDT) Received: by mail-pa0-x242.google.com with SMTP id dx3so6196390pab.2 for ; Fri, 08 Jul 2016 05:12:11 -0700 (PDT) From: Sergey Senozhatsky Subject: [RFC][PATCH v2 2/3] mm/page_owner: rename PAGE_EXT_OWNER flag Date: Fri, 8 Jul 2016 21:11:31 +0900 Message-Id: <20160708121132.8253-3-sergey.senozhatsky@gmail.com> In-Reply-To: <20160708121132.8253-1-sergey.senozhatsky@gmail.com> References: <20160708121132.8253-1-sergey.senozhatsky@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: Joonsoo Kim Cc: Andrew Morton , Vlastimil Babka , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Sergey Senozhatsky , Sergey Senozhatsky A cosmetic change: PAGE_OWNER_TRACK_FREE will introduce one more page_owner flag: PAGE_EXT_OWNER_FREE. To make names symmetrical, rename PAGE_EXT_OWNER to PAGE_EXT_OWNER_ALLOC. Signed-off-by: Sergey Senozhatsky --- include/linux/page_ext.h | 2 +- mm/page_owner.c | 12 ++++++------ mm/vmstat.c | 2 +- 3 files changed, 8 insertions(+), 8 deletions(-) diff --git a/include/linux/page_ext.h b/include/linux/page_ext.h index 03f2a3e..66ba2bb 100644 --- a/include/linux/page_ext.h +++ b/include/linux/page_ext.h @@ -26,7 +26,7 @@ struct page_ext_operations { enum page_ext_flags { PAGE_EXT_DEBUG_POISON, /* Page is poisoned */ PAGE_EXT_DEBUG_GUARD, - PAGE_EXT_OWNER, + PAGE_EXT_OWNER_ALLOC, #if defined(CONFIG_IDLE_PAGE_TRACKING) && !defined(CONFIG_64BIT) PAGE_EXT_YOUNG, PAGE_EXT_IDLE, diff --git a/mm/page_owner.c b/mm/page_owner.c index fde443a..4acccb7 100644 --- a/mm/page_owner.c +++ b/mm/page_owner.c @@ -94,7 +94,7 @@ void __page_owner_free_pages(struct page *page, unsigned int order) page_ext = lookup_page_ext(page + i); if (unlikely(!page_ext)) continue; - __clear_bit(PAGE_EXT_OWNER, &page_ext->flags); + __clear_bit(PAGE_EXT_OWNER_ALLOC, &page_ext->flags); } } @@ -160,7 +160,7 @@ noinline void __page_owner_alloc_pages(struct page *page, unsigned int order, page_ext->gfp_mask = gfp_mask; page_ext->last_migrate_reason = -1; - __set_bit(PAGE_EXT_OWNER, &page_ext->flags); + __set_bit(PAGE_EXT_OWNER_ALLOC, &page_ext->flags); } void __set_page_owner_migrate_reason(struct page *page, int reason) @@ -207,7 +207,7 @@ void __copy_page_owner(struct page *oldpage, struct page *newpage) * in that case we also don't need to explicitly clear the info from * the new page, which will be freed. */ - __set_bit(PAGE_EXT_OWNER, &new_ext->flags); + __set_bit(PAGE_EXT_OWNER_ALLOC, &new_ext->flags); } static ssize_t @@ -301,7 +301,7 @@ void __dump_page_owner(struct page *page) gfp_mask = page_ext->gfp_mask; mt = gfpflags_to_migratetype(gfp_mask); - if (!test_bit(PAGE_EXT_OWNER, &page_ext->flags)) { + if (!test_bit(PAGE_EXT_OWNER_ALLOC, &page_ext->flags)) { pr_alert("page_owner info is not active (free page?)\n"); return; } @@ -374,7 +374,7 @@ read_page_owner(struct file *file, char __user *buf, size_t count, loff_t *ppos) * Some pages could be missed by concurrent allocation or free, * because we don't hold the zone lock. */ - if (!test_bit(PAGE_EXT_OWNER, &page_ext->flags)) + if (!test_bit(PAGE_EXT_OWNER_ALLOC, &page_ext->flags)) continue; /* @@ -448,7 +448,7 @@ static void init_pages_in_zone(pg_data_t *pgdat, struct zone *zone) continue; /* Maybe overraping zone */ - if (test_bit(PAGE_EXT_OWNER, &page_ext->flags)) + if (test_bit(PAGE_EXT_OWNER_ALLOC, &page_ext->flags)) continue; /* Found early allocated page */ diff --git a/mm/vmstat.c b/mm/vmstat.c index 7997f529..63ef65f 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1070,7 +1070,7 @@ static void pagetypeinfo_showmixedcount_print(struct seq_file *m, if (unlikely(!page_ext)) continue; - if (!test_bit(PAGE_EXT_OWNER, &page_ext->flags)) + if (!test_bit(PAGE_EXT_OWNER_ALLOC, &page_ext->flags)) continue; page_mt = gfpflags_to_migratetype(page_ext->gfp_mask); -- 2.9.0.37.g6d523a3 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org