[PATCH v2 07/13] mm: update secretmem to use VMA flags on mmap_prepare

Lorenzo Stoakes lorenzo.stoakes at oracle.com
Wed Jan 28 16:44:12 UTC 2026


Hi Andrew,

Could you apply the below fix-patch to resolve the issue Chris's AI checks
detected, I missed out one caller of mlock_future_ok() (a very human mistake
;)).

Cheers, Lorenzo

----8<----
>From 652146b4d93a31bb6f9da9428ddaab8a4a53e170 Mon Sep 17 00:00:00 2001
From: Lorenzo Stoakes <lorenzo.stoakes at oracle.com>
Date: Wed, 28 Jan 2026 16:41:55 +0000
Subject: [PATCH] fix

Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes at oracle.com>
---
 mm/mmap.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mm/mmap.c b/mm/mmap.c
index 354479c95896..5dfe57b6d69a 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -108,7 +108,8 @@ static int check_brk_limits(unsigned long addr, unsigned long len)
 	if (IS_ERR_VALUE(mapped_addr))
 		return mapped_addr;

-	return mlock_future_ok(current->mm, current->mm->def_flags, len)
+	return mlock_future_ok(current->mm,
+			      current->mm->def_flags & VM_LOCKED, len)
 		? 0 : -EAGAIN;
 }

--
2.52.0



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