All of lore.kernel.org
 help / color / mirror / Atom feed
From: David Howells <dhowells@redhat.com>
To: willy@infradead.org
Cc: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH] mm: Export PageHeadHuge()
Date: Fri, 20 Aug 2021 17:14:47 +0100	[thread overview]
Message-ID: <162947608701.760537.640097323184606750.stgit@warthog.procyon.org.uk> (raw)

Export PageHeadHuge() - it's used by folio_test_hugetlb() and thence by
folio_file_page() and folio_contains().

Signed-off-by: David Howells <dhowells@redhat.com>
---

 mm/hugetlb.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 68eead0259cc..ad6ef6d2c0bc 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1717,6 +1717,7 @@ int PageHeadHuge(struct page *page_head)
 
 	return page_head[1].compound_dtor == HUGETLB_PAGE_DTOR;
 }
+EXPORT_SYMBOL(PageHeadHuge);
 
 /*
  * Find and lock address space (mapping) in write mode.



             reply	other threads:[~2021-08-20 16:14 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-20 16:14 David Howells [this message]
2021-08-20 17:35 ` [PATCH] mm: Export PageHeadHuge() Christoph Hellwig
2021-11-16 13:54 David Howells
2021-11-17  8:36 ` Kirill A. Shutemov
2021-11-17 13:20   ` Matthew Wilcox
2021-11-17 14:01     ` Kirill A. Shutemov
2022-02-28 13:22 David Howells
2022-02-28 13:41 ` Christoph Hellwig

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=162947608701.760537.640097323184606750.stgit@warthog.procyon.org.uk \
    --to=dhowells@redhat.com \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=willy@infradead.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: link
Be 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.