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module: Remove module size limit

Module size was limited to 64MB, this was legacy limitation due to vmalloc()
which was removed a while ago.

Limiting module size to 64MB is both pointless and affects real world use
cases.

Cc: Tim Abbott <tim.abbott@oracle.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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commit f946eeb9313ff1470758e171a60fe7438a2ded3f 1 parent d53799b
@sashalevin sashalevin authored rustyrussell committed
Showing with 1 addition and 2 deletions.
  1. +1 −2  kernel/module.c
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3  kernel/module.c
@@ -2411,8 +2411,7 @@ static int copy_and_check(struct load_info *info,
return -ENOEXEC;
/* Suck in entire file: we'll want most of it. */
- /* vmalloc barfs on "unusual" numbers. Check here */
- if (len > 64 * 1024 * 1024 || (hdr = vmalloc(len)) == NULL)
+ if ((hdr = vmalloc(len)) == NULL)
return -ENOMEM;
if (copy_from_user(hdr, umod, len) != 0) {
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