[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20250901-maple-sheaves-v1-5-d6a1166b53f2@suse.cz>
Date: Mon, 01 Sep 2025 13:08:55 +0200
From: Vlastimil Babka <vbabka@...e.cz>
To: "Liam R. Howlett" <Liam.Howlett@...cle.com>,
Matthew Wilcox <willy@...radead.org>,
Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, Jann Horn <jannh@...gle.com>,
Pedro Falcato <pfalcato@...e.de>, Suren Baghdasaryan <surenb@...gle.com>
Cc: Harry Yoo <harry.yoo@...cle.com>,
Andrew Morton <akpm@...ux-foundation.org>, maple-tree@...ts.infradead.org,
linux-mm@...ck.org, linux-fsdevel@...r.kernel.org,
linux-kernel@...r.kernel.org, Vlastimil Babka <vbabka@...e.cz>
Subject: [PATCH 05/12] tools/testing/vma: Implement vm_refcnt reset
From: "Liam R. Howlett" <Liam.Howlett@...cle.com>
Add the reset of the ref count in vma_lock_init(). This is needed if
the vma memory is not zeroed on allocation.
Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>
Signed-off-by: Vlastimil Babka <vbabka@...e.cz>
---
tools/testing/vma/vma_internal.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/testing/vma/vma_internal.h b/tools/testing/vma/vma_internal.h
index 09732eff8dd84555563b3d485805ebab7b204584..972ab2686e0a3654cef611ce9f3409bc0c38dc80 100644
--- a/tools/testing/vma/vma_internal.h
+++ b/tools/testing/vma/vma_internal.h
@@ -1326,8 +1326,8 @@ static inline void ksm_exit(struct mm_struct *mm)
static inline void vma_lock_init(struct vm_area_struct *vma, bool reset_refcnt)
{
- (void)vma;
- (void)reset_refcnt;
+ if (reset_refcnt)
+ refcount_set(&vma->vm_refcnt, 0);
}
static inline void vma_numab_state_init(struct vm_area_struct *vma)
--
2.51.0
Powered by blists - more mailing lists