From: kbuild test robot <fengguang.wu@intel.com>
To: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Linux Memory Management List <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
Johannes Weiner <hannes@cmpxchg.org>,
kbuild-all@01.org
Subject: [mmotm:master 78/178] mm/madvise.c:161:190: warning: value computed is not used
Date: Fri, 13 Jun 2014 11:58:49 +0800 [thread overview]
Message-ID: <539a76f9.TdKRGJVN9ctnWHnE%fengguang.wu@intel.com> (raw)
tree: git://git.cmpxchg.org/linux-mmotm.git master
head: a621774e0e7bbd9e8a024230af4704cc489bd40e
commit: ef99d21ea4a246e56b9a55de5740655d30735f33 [78/178] madvise: cleanup swapin_walk_pmd_entry()
config: make ARCH=i386 defconfig
All warnings:
mm/madvise.c: In function 'swapin_walk_pte_entry':
>> mm/madvise.c:161:190: warning: value computed is not used [-Wunused-value]
pte_offset_map(walk->pmd, start & PMD_MASK);
^
vim +161 mm/madvise.c
145 pte_t *orig_pte = pte - ((start & (PMD_SIZE - 1)) >> PAGE_SHIFT);
146 swp_entry_t entry;
147 struct page *page;
148
149 ptent = *pte;
150 pte_unmap_unlock(orig_pte, walk->ptl);
151 if (pte_present(ptent) || pte_none(ptent) || pte_file(ptent))
152 goto lock;
153 entry = pte_to_swp_entry(ptent);
154 if (unlikely(non_swap_entry(entry)))
155 goto lock;
156 page = read_swap_cache_async(entry, GFP_HIGHUSER_MOVABLE,
157 walk->vma, start);
158 if (page)
159 page_cache_release(page);
160 lock:
> 161 pte_offset_map(walk->pmd, start & PMD_MASK);
162 spin_lock(walk->ptl);
163 return 0;
164 }
165
166 static void force_swapin_readahead(struct vm_area_struct *vma,
167 unsigned long start, unsigned long end)
168 {
169 struct mm_walk walk = {
---
0-DAY kernel build testing backend Open Source Technology Center
http://lists.01.org/mailman/listinfo/kbuild Intel Corporation
--
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>
reply other threads:[~2014-06-13 3:59 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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=539a76f9.TdKRGJVN9ctnWHnE%fengguang.wu@intel.com \
--to=fengguang.wu@intel.com \
--cc=akpm@linux-foundation.org \
--cc=hannes@cmpxchg.org \
--cc=kbuild-all@01.org \
--cc=linux-mm@kvack.org \
--cc=n-horiguchi@ah.jp.nec.com \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox