On 08/02/2023 09:51, Mike Rapoport wrote:
On Tue, Feb 07, 2023 at 11:44:56AM +0000, Usama Arif wrote:
1GB HugeTLB page consists of 262144 base pages.
Signed-off-by: Usama Arif <usama.arif@xxxxxxxxxxxxx>
Acked-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx>
---
Documentation/mm/vmemmap_dedup.rst | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/Documentation/mm/vmemmap_dedup.rst b/Documentation/mm/vmemmap_dedup.rst
index a4b12ff906c4..689a6907c70b 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
--
2.25.1
Hi,
Was just reading vmemmap_dedup.rst for something and realized that its
still 4096 pages for 1G, maybe this patch got missed?
Thanks,
Usama
