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Fri, 23 Apr 2021 14:49:48 +0000 (UTC) Subject: Re: [PATCH 1/6] mm: Make __dump_page static To: "Matthew Wilcox (Oracle)" , linux-mm@kvack.org Cc: Andrew Morton , linux-kernel@vger.kernel.org References: <20210416231531.2521383-1-willy@infradead.org> <20210416231531.2521383-2-willy@infradead.org> From: Vlastimil Babka Message-ID: Date: Fri, 23 Apr 2021 16:49:47 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.9.1 MIME-Version: 1.0 In-Reply-To: <20210416231531.2521383-2-willy@infradead.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 99E7EA00038D X-Stat-Signature: ykm7s7zrn8f5n3s9ju1gi3ogohtxd7eg Received-SPF: none (suse.cz>: No applicable sender policy available) receiver=imf15; identity=mailfrom; envelope-from=""; helo=mx2.suse.de; client-ip=195.135.220.15 X-HE-DKIM-Result: none/none X-HE-Tag: 1619189386-3421 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: On 4/17/21 1:15 AM, Matthew Wilcox (Oracle) wrote: > The only caller of __dump_page() now opencodes dump_page(), so > remove it as an externally visible symbol. > > Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Vlastimil Babka > --- > include/linux/mmdebug.h | 3 +-- > mm/debug.c | 2 +- > mm/page_alloc.c | 3 +-- > 3 files changed, 3 insertions(+), 5 deletions(-) > > diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h > index 5d0767cb424a..1935d4c72d10 100644 > --- a/include/linux/mmdebug.h > +++ b/include/linux/mmdebug.h > @@ -9,8 +9,7 @@ struct page; > struct vm_area_struct; > struct mm_struct; > > -extern void dump_page(struct page *page, const char *reason); > -extern void __dump_page(struct page *page, const char *reason); > +void dump_page(struct page *page, const char *reason); > void dump_vma(const struct vm_area_struct *vma); > void dump_mm(const struct mm_struct *mm); > > diff --git a/mm/debug.c b/mm/debug.c > index 0bdda8407f71..84cdcd0f7bd3 100644 > --- a/mm/debug.c > +++ b/mm/debug.c > @@ -42,7 +42,7 @@ const struct trace_print_flags vmaflag_names[] = { > {0, NULL} > }; > > -void __dump_page(struct page *page, const char *reason) > +static void __dump_page(struct page *page, const char *reason) > { > struct page *head = compound_head(page); > struct address_space *mapping; > diff --git a/mm/page_alloc.c b/mm/page_alloc.c > index 5a35f21b57c6..0152670c6f04 100644 > --- a/mm/page_alloc.c > +++ b/mm/page_alloc.c > @@ -658,8 +658,7 @@ static void bad_page(struct page *page, const char *reason) > > pr_alert("BUG: Bad page state in process %s pfn:%05lx\n", > current->comm, page_to_pfn(page)); > - __dump_page(page, reason); > - dump_page_owner(page); > + dump_page(page, reason); > > print_modules(); > dump_stack(); >