From: Mike Rapoport <rppt@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Joerg Roedel <jroedel@suse.de>, Mike Rapoport <rppt@kernel.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Mike Rapoport <rppt@linux.ibm.com>
Subject: [PATCH] mm: vmalloc: remove redundant asignmnet in unmap_kernel_range_noflush()
Date: Tue, 7 Jul 2020 19:32:26 +0300 [thread overview]
Message-ID: <20200707163226.374685-1-rppt@kernel.org> (raw)
From: Mike Rapoport <rppt@linux.ibm.com>
'addr' is set to 'start' and then a few lines afterwards 'start' is
set to 'addr'.
Remove the second asignment.
Fixes: 2ba3e6947aed ("mm/vmalloc: track which page-table levels were modified")
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
---
mm/vmalloc.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 5a2b55c8dd9a..68ebbafc9c9b 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -171,11 +171,10 @@ void unmap_kernel_range_noflush(unsigned long start, unsigned long size)
pgd_t *pgd;
unsigned long addr = start;
pgtbl_mod_mask mask = 0;
BUG_ON(addr >= end);
- start = addr;
pgd = pgd_offset_k(addr);
do {
next = pgd_addr_end(addr, end);
if (pgd_bad(*pgd))
mask |= PGTBL_PGD_MODIFIED;
--
2.25.4
next reply other threads:[~2020-07-07 16:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-07 16:32 Mike Rapoport [this message]
2020-07-07 17:16 ` [PATCH] mm: vmalloc: remove redundant asignmnet in unmap_kernel_range_noflush() David Hildenbrand
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