From: Guenter Roeck <linux@roeck-us.net> To: Andrew Morton <akpm@linux-foundation.org> Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Guenter Roeck <linux@roeck-us.net>, Matthias Kaehlcke <mka@chromium.org> Subject: [PATCH] mm: Provide consistent declaration for num_poisoned_pages Date: Mon, 26 Feb 2018 15:09:25 -0800 [thread overview] Message-ID: <1519686565-8224-1-git-send-email-linux@roeck-us.net> (raw) clang reports the following compile warning. In file included from mm/vmscan.c:56: ./include/linux/swapops.h:327:22: warning: section attribute is specified on redeclared variable [-Wsection] extern atomic_long_t num_poisoned_pages __read_mostly; ^ ./include/linux/mm.h:2585:22: note: previous declaration is here extern atomic_long_t num_poisoned_pages; ^ Let's use __read_mostly everywhere. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Cc: Matthias Kaehlcke <mka@chromium.org> --- include/linux/mm.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index ad06d42adb1a..bd4bd59f02c1 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2582,7 +2582,7 @@ extern int get_hwpoison_page(struct page *page); extern int sysctl_memory_failure_early_kill; extern int sysctl_memory_failure_recovery; extern void shake_page(struct page *p, int access); -extern atomic_long_t num_poisoned_pages; +extern atomic_long_t num_poisoned_pages __read_mostly; extern int soft_offline_page(struct page *page, int flags); -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Guenter Roeck <linux@roeck-us.net> To: Andrew Morton <akpm@linux-foundation.org> Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Guenter Roeck <linux@roeck-us.net>, Matthias Kaehlcke <mka@chromium.org> Subject: [PATCH] mm: Provide consistent declaration for num_poisoned_pages Date: Mon, 26 Feb 2018 15:09:25 -0800 [thread overview] Message-ID: <1519686565-8224-1-git-send-email-linux@roeck-us.net> (raw) clang reports the following compile warning. In file included from mm/vmscan.c:56: ./include/linux/swapops.h:327:22: warning: section attribute is specified on redeclared variable [-Wsection] extern atomic_long_t num_poisoned_pages __read_mostly; ^ ./include/linux/mm.h:2585:22: note: previous declaration is here extern atomic_long_t num_poisoned_pages; ^ Let's use __read_mostly everywhere. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Cc: Matthias Kaehlcke <mka@chromium.org> --- include/linux/mm.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index ad06d42adb1a..bd4bd59f02c1 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2582,7 +2582,7 @@ extern int get_hwpoison_page(struct page *page); extern int sysctl_memory_failure_early_kill; extern int sysctl_memory_failure_recovery; extern void shake_page(struct page *p, int access); -extern atomic_long_t num_poisoned_pages; +extern atomic_long_t num_poisoned_pages __read_mostly; extern int soft_offline_page(struct page *page, int flags); -- 2.7.4 -- 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: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next reply other threads:[~2018-02-26 23:09 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-02-26 23:09 Guenter Roeck [this message] 2018-02-26 23:09 ` [PATCH] mm: Provide consistent declaration for num_poisoned_pages Guenter Roeck 2018-02-26 23:57 ` David Rientjes 2018-02-26 23:57 ` David Rientjes 2018-02-27 2:13 ` Guenter Roeck 2018-02-27 2:13 ` Guenter Roeck
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=1519686565-8224-1-git-send-email-linux@roeck-us.net \ --to=linux@roeck-us.net \ --cc=akpm@linux-foundation.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-mm@kvack.org \ --cc=mka@chromium.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.