linux-kernel - [PATCH v2 40/70] fs/binfmt_elf: Use maple tree iterators for fill_files

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Message-Id: <20210112161240.2024684-41-Liam.Howlett@Oracle.com>
Date:   Tue, 12 Jan 2021 11:12:10 -0500
From:   "Liam R. Howlett" <Liam.Howlett@...cle.com>
To:     maple-tree@...ts.infradead.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Cc:     Andrew Morton <akpm@...gle.com>, Song Liu <songliubraving@...com>,
        Davidlohr Bueso <dave@...olabs.net>,
        "Paul E . McKenney" <paulmck@...nel.org>,
        Matthew Wilcox <willy@...radead.org>,
        Jerome Glisse <jglisse@...hat.com>,
        David Rientjes <rientjes@...gle.com>,
        Axel Rasmussen <axelrasmussen@...gle.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Rik van Riel <riel@...riel.com>,
        Peter Zijlstra <peterz@...radead.org>
Subject: [PATCH v2 40/70] fs/binfmt_elf: Use maple tree iterators for fill_files_note()

Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>
---
 fs/binfmt_elf.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index fa50e8936f5fc..92b67b914bf96 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1609,6 +1609,7 @@ static int fill_files_note(struct memelfnote *note)
 	user_long_t *data;
 	user_long_t *start_end_ofs;
 	char *name_base, *name_curpos;
+	MA_STATE(mas, &mm->mm_mt, 0, 0);
 
 	/* *Estimated* file count and total data size needed */
 	count = mm->map_count;
@@ -1633,7 +1634,7 @@ static int fill_files_note(struct memelfnote *note)
 	name_base = name_curpos = ((char *)data) + names_ofs;
 	remaining = size - names_ofs;
 	count = 0;
-	for (vma = mm->mmap; vma != NULL; vma = vma->vm_next) {
+	mas_for_each(&mas, vma, ULONG_MAX) {
 		struct file *file;
 		const char *filename;
 
-- 
2.28.0