linux-kernel - [PATCH 09/28] maple_tree: Correct right ma_wr_state end pivot in mas_wr_spanning

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Message-ID: <20260115193647.1695937-10-Liam.Howlett@oracle.com>
Date: Thu, 15 Jan 2026 14:36:28 -0500
From: "Liam R. Howlett" <Liam.Howlett@...cle.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: maple-tree@...ts.infradead.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Suren Baghdasaryan <surenb@...gle.com>,
        Matthew Wilcox <willy@...radead.org>,
        Sidhartha Kumar <sidhartha.kumar@...cle.com>,
        Vlastimil Babka <vbabka@...e.cz>, Alice Ryhl <aliceryhl@...gle.com>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Arnd Bergmann <arnd@...db.de>, Christian Kujau <lists@...dbynature.de>,
        "Liam R. Howlett" <Liam.Howlett@...cle.com>
Subject: [PATCH 09/28] maple_tree: Correct right ma_wr_state end pivot in mas_wr_spanning_store()

The end_piv will be needed in the next patch set and has not been set
correctly in this code path.  Correct the oversight before using it.

Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>
---
 lib/maple_tree.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index e3b9d6687e6d7..8cefaebf414d3 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -3494,6 +3494,7 @@ static void mas_wr_spanning_store(struct ma_wr_state *wr_mas)
 	r_mas.index = r_mas.last;
 	mas_wr_walk_index(&r_wr_mas);
 	r_mas.last = r_mas.index = mas->last;
+	r_wr_mas.end_piv = r_wr_mas.r_max;
 
 	/* Set up left side. */
 	mas_wr_walk_index(wr_mas);
-- 
2.47.3