The patch titled
Subject: mm: document maple tree pointer at unmap_vmas() at memory.c
has been added to the -mm mm-unstable branch. Its filename is
mm-remove-the-vma-linked-list-fix-2.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-remove-the-vma-linked-list-fix-2.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
Subject: mm: document maple tree pointer at unmap_vmas() at memory.c
Date: Tue, 28 Jun 2022 10:46:19 +0100
A maple tree pointer parameter was added at unmap_vmas() without
description:
mm/memory.c:1729: warning: Function parameter or member 'mt' not described in 'unmap_vmas'
Document it it.
Link: https://lkml.kernel.org/r/d2690118414c5458c448348cc94f831d8e8444ce.1656409369.git.mchehab@xxxxxxxxxx
Fixes: 5966e5c968b2 ("mm: remove the vma linked list")
Fixes: f8acc5e9581e ("Maple Tree: add new data structure")
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
Cc: "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory.c | 2 ++
1 file changed, 2 insertions(+)
--- a/mm/memory.c~mm-remove-the-vma-linked-list-fix-2
+++ a/mm/memory.c
@@ -1699,6 +1699,8 @@ static void unmap_single_vma(struct mmu_
/**
* unmap_vmas - unmap a range of memory covered by a list of vma's
* @tlb: address of the caller's struct mmu_gather
+ * @mt: maple tree pointer. A maple tree is a RCU-safe range based B-tree
+ * designed to use modern processor cache efficiently
* @vma: the starting vma
* @start_addr: virtual address at which to start unmapping
* @end_addr: virtual address at which to end unmapping
_
Patches currently in -mm which might be from mchehab@xxxxxxxxxx are
mm-remove-the-vma-linked-list-fix-2.patch
