Whoops. I'll change that to "(=12800 TB)".
On Wed, Dec 13, 2017 at 5:17 AM, Kirill A. Shutemov <[email protected]> wrote: > On Tue, Dec 12, 2017 at 07:56:44AM -0800, Andy Lutomirski wrote: >> This patch shrinks vmalloc space from 16384TiB to 12800TiB to >> enlarge the hole starting at 0xff90000000000000 to be a full PGD >> entry. >> >> A subsequent patch will use this hole for the pagetable isolation >> LDT alias. >> >> Cc: "Kirill A. Shutemov" <[email protected]> >> Cc: Dave Hansen <[email protected]> >> Signed-off-by: Andy Lutomirski <[email protected]> >> --- >> Documentation/x86/x86_64/mm.txt | 4 ++-- >> arch/x86/include/asm/pgtable_64_types.h | 4 ++-- >> 2 files changed, 4 insertions(+), 4 deletions(-) >> >> diff --git a/Documentation/x86/x86_64/mm.txt >> b/Documentation/x86/x86_64/mm.txt >> index 63a41671d25b..6a28aeaccd53 100644 >> --- a/Documentation/x86/x86_64/mm.txt >> +++ b/Documentation/x86/x86_64/mm.txt >> @@ -28,8 +28,8 @@ Virtual memory map with 5 level page tables: >> hole caused by [56:63] sign extension >> ff00000000000000 - ff0fffffffffffff (=52 bits) guard hole, reserved for >> hypervisor >> ff10000000000000 - ff8fffffffffffff (=55 bits) direct mapping of all phys. >> memory >> -ff90000000000000 - ff91ffffffffffff (=49 bits) hole >> -ff92000000000000 - ffd1ffffffffffff (=54 bits) vmalloc/ioremap space >> +ff90000000000000 - ff9fffffffffffff (=52 bits) hole >> +ffa0000000000000 - ffd1ffffffffffff (=54 bits) vmalloc/ioremap space > > It's not 54 bits anymore. > > -- > Kirill A. Shutemov
