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 > -- Sincerely yours, Mike.
