From: Gautam Menghani <gautammenghani201@gmail.com>
To: akpm@linux-foundation.org
Cc: Gautam Menghani <gautammenghani201@gmail.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: [PATCH] mm: Remove unwanted initialization in vmemmap_populate_compound_pages()
Date: Sun, 12 Jun 2022 11:23:20 -0700 [thread overview]
Message-ID: <20220612182320.160651-1-gautammenghani201@gmail.com> (raw)
Remove unwanted initialization for the variable 'next'. This fixes the
clang scan warning: Value stored to 'next' during its initialization is
never read [deadcode.DeadStores]
Signed-off-by: Gautam Menghani <gautammenghani201@gmail.com>
---
mm/sparse-vmemmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c
index f4fa61dbbee3..3008aa7859e0 100644
--- a/mm/sparse-vmemmap.c
+++ b/mm/sparse-vmemmap.c
@@ -737,7 +737,7 @@ static int __meminit vmemmap_populate_compound_pages(unsigned long start_pfn,
size = min(end - start, pgmap_vmemmap_nr(pgmap) * sizeof(struct page));
for (addr = start; addr < end; addr += size) {
- unsigned long next = addr, last = addr + size;
+ unsigned long next, last = addr + size;
/* Populate the head page vmemmap page */
pte = vmemmap_populate_address(addr, node, NULL, NULL);
--
2.25.1
next reply other threads:[~2022-06-12 18:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-12 18:23 Gautam Menghani [this message]
2022-06-13 7:18 ` [PATCH] mm: Remove unwanted initialization in vmemmap_populate_compound_pages() Muchun Song
2022-06-13 15:43 ` David Hildenbrand
2022-06-14 10:33 ` Joao Martins
2022-06-15 7:34 ` Oscar Salvador
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=20220612182320.160651-1-gautammenghani201@gmail.com \
--to=gautammenghani201@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).