From: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Date: Fri, 21 Nov 2025 17:25:18 +0000 (+0000)
Subject: tools/testing/vma: add missing stub
X-Git-Tag: v6.19-rc1~112^2~24
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ccf9eb326b4aabcd61e71d87469cafd6c5f01308;p=thirdparty%2Flinux.git

tools/testing/vma: add missing stub

vm_flags_reset() is not available in the userland VMA tests, so add a stub
which const-casts vma->vm_flags and avoids the upcoming removal of the
vma->__vm_flags field.

Link: https://lkml.kernel.org/r/4aff8bf7-d367-4ba3-90ad-13eef7a063fa@lucifer.local
Fixes: c5c67c1de357 ("tools/testing/vma: eliminate dependency on vma->__vm_flags")
Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/tools/testing/vma/vma_internal.h b/tools/testing/vma/vma_internal.h
index be99056c5d569..8c2ac301a00e3 100644
--- a/tools/testing/vma/vma_internal.h
+++ b/tools/testing/vma/vma_internal.h
@@ -1549,4 +1549,11 @@ static inline int do_munmap(struct mm_struct *, unsigned long, size_t,
 	return 0;
 }
 
+static inline void vm_flags_reset(struct vm_area_struct *vma, vm_flags_t flags)
+{
+	vm_flags_t *dst = (vm_flags_t *)(&vma->vm_flags);
+
+	*dst = flags;
+}
+
 #endif	/* __MM_VMA_INTERNAL_H */