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Sat, 07 Sep 2019 14:41:24 -0700 (PDT) Received: from localhost.localdomain ([112.79.80.177]) by smtp.gmail.com with ESMTPSA id h11sm9078516pgv.5.2019.09.07.14.41.17 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sat, 07 Sep 2019 14:41:23 -0700 (PDT) From: Souptick Joarder To: kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, sashal@kernel.org, boris.ostrovsky@oracle.com, jgross@suse.com, sstabellini@kernel.org, akpm@linux-foundation.org, david@redhat.com, osalvador@suse.com, mhocko@suse.com, pasha.tatashin@soleen.com, dan.j.williams@intel.com, richard.weiyang@gmail.com, cai@lca.pw Cc: linux-hyperv@vger.kernel.org, xen-devel@lists.xenproject.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Souptick Joarder Subject: [PATCH 1/3] hv_ballon: Avoid calling dummy function __online_page_set_limits() Date: Sun, 8 Sep 2019 03:17:02 +0530 Message-Id: <8e1bc9d3b492f6bde16e95ebc1dee11d6aefabd7.1567889743.git.jrdr.linux@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: References: In-Reply-To: References: X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: __online_page_set_limits() is a dummy function and an extra call to this function can be avoided. Signed-off-by: Souptick Joarder Reviewed-by: David Hildenbrand --- drivers/hv/hv_balloon.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c index 6fb4ea5..9bab443 100644 --- a/drivers/hv/hv_balloon.c +++ b/drivers/hv/hv_balloon.c @@ -680,7 +680,6 @@ static void hv_page_online_one(struct hv_hotadd_state *has, struct page *pg) __ClearPageOffline(pg); /* This frame is currently backed; online the page. */ - __online_page_set_limits(pg); __online_page_increment_counters(pg); __online_page_free(pg); From patchwork Sat Sep 7 21:47:03 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Souptick Joarder X-Patchwork-Id: 11136679 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8EF5F1395 for ; Sat, 7 Sep 2019 21:41:34 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 511D121835 for ; 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Sat, 07 Sep 2019 14:41:31 -0700 (PDT) Received: from localhost.localdomain ([112.79.80.177]) by smtp.gmail.com with ESMTPSA id h11sm9078516pgv.5.2019.09.07.14.41.24 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sat, 07 Sep 2019 14:41:30 -0700 (PDT) From: Souptick Joarder To: kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, sashal@kernel.org, boris.ostrovsky@oracle.com, jgross@suse.com, sstabellini@kernel.org, akpm@linux-foundation.org, david@redhat.com, osalvador@suse.com, mhocko@suse.com, pasha.tatashin@soleen.com, dan.j.williams@intel.com, richard.weiyang@gmail.com, cai@lca.pw Cc: linux-hyperv@vger.kernel.org, xen-devel@lists.xenproject.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Souptick Joarder Subject: [PATCH 2/3] xen/ballon: Avoid calling dummy function __online_page_set_limits() Date: Sun, 8 Sep 2019 03:17:03 +0530 Message-Id: <854db2cf8145d9635249c95584d9a91fd774a229.1567889743.git.jrdr.linux@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: References: In-Reply-To: References: X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: __online_page_set_limits() is a dummy function and an extra call to this function can be avoided. Signed-off-by: Souptick Joarder Reviewed-by: Juergen Gross Reviewed-by: David Hildenbrand --- drivers/xen/balloon.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index 4e11de6..05b1f7e 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -376,7 +376,6 @@ static void xen_online_page(struct page *page, unsigned int order) mutex_lock(&balloon_mutex); for (i = 0; i < size; i++) { p = pfn_to_page(start_pfn + i); - __online_page_set_limits(p); __SetPageOffline(p); __balloon_append(p); } From patchwork Sat Sep 7 21:47:04 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Souptick Joarder X-Patchwork-Id: 11136681 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 929621395 for ; Sat, 7 Sep 2019 21:41:41 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 5EC6A21835 for ; 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Sat, 07 Sep 2019 14:41:38 -0700 (PDT) Received: from localhost.localdomain ([112.79.80.177]) by smtp.gmail.com with ESMTPSA id h11sm9078516pgv.5.2019.09.07.14.41.31 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sat, 07 Sep 2019 14:41:37 -0700 (PDT) From: Souptick Joarder To: kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, sashal@kernel.org, boris.ostrovsky@oracle.com, jgross@suse.com, sstabellini@kernel.org, akpm@linux-foundation.org, david@redhat.com, osalvador@suse.com, mhocko@suse.com, pasha.tatashin@soleen.com, dan.j.williams@intel.com, richard.weiyang@gmail.com, cai@lca.pw Cc: linux-hyperv@vger.kernel.org, xen-devel@lists.xenproject.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Souptick Joarder Subject: [PATCH 3/3] mm/memory_hotplug.c: Remove __online_page_set_limits() Date: Sun, 8 Sep 2019 03:17:04 +0530 Message-Id: <9afe6c5a18158f3884a6b302ac2c772f3da49ccc.1567889743.git.jrdr.linux@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: References: In-Reply-To: References: X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: As both the callers of this dummy __online_page_set_limits() is removed, this can be removed permanently. Signed-off-by: Souptick Joarder Reviewed-by: David Hildenbrand --- include/linux/memory_hotplug.h | 1 - mm/memory_hotplug.c | 5 ----- 2 files changed, 6 deletions(-) diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index f46ea71..8ee3a2a 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -105,7 +105,6 @@ extern unsigned long __offline_isolated_pages(unsigned long start_pfn, extern int set_online_page_callback(online_page_callback_t callback); extern int restore_online_page_callback(online_page_callback_t callback); -extern void __online_page_set_limits(struct page *page); extern void __online_page_increment_counters(struct page *page); extern void __online_page_free(struct page *page); diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index c73f099..dc0118f 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -604,11 +604,6 @@ int restore_online_page_callback(online_page_callback_t callback) } EXPORT_SYMBOL_GPL(restore_online_page_callback); -void __online_page_set_limits(struct page *page) -{ -} -EXPORT_SYMBOL_GPL(__online_page_set_limits); - void __online_page_increment_counters(struct page *page) { adjust_managed_page_count(page, 1);