From f7c8ce44ebb113b83135ada6e496db33d8a535e3 Mon Sep 17 00:00:00 2001
From: David Hildenbrand <david@redhat.com>
Date: Thu, 6 May 2021 18:06:06 -0700
Subject: mm/vmalloc: remove vwrite()

The last user (/dev/kmem) is gone. Let's drop it.

Link: https://lkml.kernel.org/r/20210324102351.6932-4-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Hillf Danton <hdanton@sina.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Oleksiy Avramchenko <oleksiy.avramchenko@sonymobile.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: huang ying <huang.ying.caritas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/nommu.c | 10 ----------
 1 file changed, 10 deletions(-)

(limited to 'mm/nommu.c')

diff --git a/mm/nommu.c b/mm/nommu.c
index 5c9ab799c0e6..85a3a68dffb6 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -210,16 +210,6 @@ long vread(char *buf, char *addr, unsigned long count)
 	return count;
 }
 
-long vwrite(char *buf, char *addr, unsigned long count)
-{
-	/* Don't allow overflow */
-	if ((unsigned long) addr + count < count)
-		count = -(unsigned long) addr;
-
-	memcpy(addr, buf, count);
-	return count;
-}
-
 /*
  *	vmalloc  -  allocate virtually contiguous memory
  *
-- 
cgit