From: Usama Arif <usama.arif@bytedance.com>
Date: Tue, 7 Feb 2023 11:44:56 +0000 (+0000)
Subject: docs: mm: Fix number of base pages for 1GB HugeTLB
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=17b6fc88eb31a10726b702cf07ea998e9828d478;p=linux.git

docs: mm: Fix number of base pages for 1GB HugeTLB

1GB HugeTLB page consists of 262144 base pages.

Signed-off-by: Usama Arif <usama.arif@bytedance.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
Acked-by: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20230207114456.2304801-1-usama.arif@bytedance.com
---

diff --git a/Documentation/mm/vmemmap_dedup.rst b/Documentation/mm/vmemmap_dedup.rst
index a4b12ff906c4d..689a6907c70b5 100644
--- a/Documentation/mm/vmemmap_dedup.rst
+++ b/Documentation/mm/vmemmap_dedup.rst
@@ -1,3 +1,4 @@
+
 .. SPDX-License-Identifier: GPL-2.0
 
 =========================================
@@ -17,7 +18,7 @@ HugeTLB pages consist of multiple base page size pages and is supported by many
 architectures. See Documentation/admin-guide/mm/hugetlbpage.rst for more
 details. On the x86-64 architecture, HugeTLB pages of size 2MB and 1GB are
 currently supported. Since the base page size on x86 is 4KB, a 2MB HugeTLB page
-consists of 512 base pages and a 1GB HugeTLB page consists of 4096 base pages.
+consists of 512 base pages and a 1GB HugeTLB page consists of 262144 base pages.
 For each base page, there is a corresponding ``struct page``.
 
 Within the HugeTLB subsystem, only the first 4 ``struct page`` are used to