From 1281ffc7959bd2070563e17a52ee4424196d885c Mon Sep 17 00:00:00 2001
From: Patrick Havelange <patrick.havelange@essensium.com>
Date: Wed, 23 Jan 2019 12:21:21 +0100
Subject: [PATCH] Introduce the OPENSSL_NO_MADVISE to disable call to madvise()

Upstream: https://github.com/openssl/openssl/pull/8089
Signed-off-by: Patrick Havelange <patrick.havelange@essensium.com>
---
 crypto/mem_sec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crypto/mem_sec.c b/crypto/mem_sec.c
index 9e0f670..32c7282 100644
--- a/crypto/mem_sec.c
+++ b/crypto/mem_sec.c
@@ -485,7 +485,7 @@ static int sh_init(size_t size, int minsize)
     if (mlock(sh.arena, sh.arena_size) < 0)
         ret = 2;
 #endif
-#ifdef MADV_DONTDUMP
+#if defined(MADV_DONTDUMP) && !defined(OPENSSL_NO_MADVISE)
     if (madvise(sh.arena, sh.arena_size, MADV_DONTDUMP) < 0)
         ret = 2;
 #endif
-- 
2.17.1