From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f70.google.com (mail-pa0-f70.google.com [209.85.220.70]) by kanga.kvack.org (Postfix) with ESMTP id 0A806828EA for ; Fri, 1 Jul 2016 02:42:06 -0400 (EDT) Received: by mail-pa0-f70.google.com with SMTP id ts6so190411813pac.1 for ; Thu, 30 Jun 2016 23:42:06 -0700 (PDT) Received: from mail-pf0-x242.google.com (mail-pf0-x242.google.com. [2607:f8b0:400e:c00::242]) by mx.google.com with ESMTPS id 6si2590870pfe.203.2016.06.30.23.42.05 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 30 Jun 2016 23:42:05 -0700 (PDT) Received: by mail-pf0-x242.google.com with SMTP id i123so9304143pfg.3 for ; Thu, 30 Jun 2016 23:42:05 -0700 (PDT) From: Ganesh Mahendran Subject: [PATCH 3/8] mm/zsmalloc: take obj index back from find_alloced_obj Date: Fri, 1 Jul 2016 14:41:01 +0800 Message-Id: <1467355266-9735-3-git-send-email-opensource.ganesh@gmail.com> In-Reply-To: <1467355266-9735-1-git-send-email-opensource.ganesh@gmail.com> References: <1467355266-9735-1-git-send-email-opensource.ganesh@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: akpm@linux-foundation.org, minchan@kernel.org, ngupta@vflare.org, sergey.senozhatsky.work@gmail.com, rostedt@goodmis.org, mingo@redhat.com, Ganesh Mahendran the obj index value should be updated after return from find_alloced_obj() Signed-off-by: Ganesh Mahendran --- mm/zsmalloc.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 405baa5..5c96ed1 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -1744,15 +1744,16 @@ static void zs_object_copy(struct size_class *class, unsigned long dst, * return handle. */ static unsigned long find_alloced_obj(struct size_class *class, - struct page *page, int index) + struct page *page, int *index) { unsigned long head; int offset = 0; + int objidx = *index; unsigned long handle = 0; void *addr = kmap_atomic(page); offset = get_first_obj_offset(page); - offset += class->size * index; + offset += class->size * objidx; while (offset < PAGE_SIZE) { head = obj_to_head(page, addr + offset); @@ -1764,9 +1765,11 @@ static unsigned long find_alloced_obj(struct size_class *class, } offset += class->size; - index++; + objidx++; } + *index = objidx; + kunmap_atomic(addr); return handle; } @@ -1794,11 +1797,11 @@ static int migrate_zspage(struct zs_pool *pool, struct size_class *class, unsigned long handle; struct page *s_page = cc->s_page; struct page *d_page = cc->d_page; - unsigned long index = cc->index; + unsigned int index = cc->index; int ret = 0; while (1) { - handle = find_alloced_obj(class, s_page, index); + handle = find_alloced_obj(class, s_page, &index); if (!handle) { s_page = get_next_page(s_page); if (!s_page) -- 1.9.1 -- 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