The patch titled
Subject: mm/sparse-vmemmap.c: remove unwanted initialization in vmemmap_populate_compound_pages()
has been added to the -mm mm-unstable branch. Its filename is
mm-remove-unwanted-initialization-in-vmemmap_populate_compound_pages.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-remove-unwanted-initialization-in-vmemmap_populate_compound_pages.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: Gautam Menghani <gautammenghani201@xxxxxxxxx>
Subject: mm/sparse-vmemmap.c: remove unwanted initialization in vmemmap_populate_compound_pages()
Date: Sun, 12 Jun 2022 11:23:20 -0700
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]
Link: https://lkml.kernel.org/r/20220612182320.160651-1-gautammenghani201@xxxxxxxxx
Signed-off-by: Gautam Menghani <gautammenghani201@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/sparse-vmemmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/sparse-vmemmap.c~mm-remove-unwanted-initialization-in-vmemmap_populate_compound_pages
+++ a/mm/sparse-vmemmap.c
@@ -737,7 +737,7 @@ static int __meminit vmemmap_populate_co
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);
_
Patches currently in -mm which might be from gautammenghani201@xxxxxxxxx are
mm-remove-unwanted-initialization-in-vmemmap_populate_compound_pages.patch
