Documentation: x86: fix typo in x86_64/mm.rst

change "64Gb" to "64GB".

Signed-off-by: Wang Yong <yongw.kernel@gmail.com>
Link: https://lore.kernel.org/r/20221228100141.382325-1-yongw.kernel@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

diff --git a/Documentation/x86/x86_64/mm.rst b/Documentation/x86/x86_64/mm.rst
index 9798676bb0bfb3183b7c2142c26444fbe1671ee1..35e5e18c83d04b750529e9119d1ebe82b38dea88 100644 (file)
--- a/Documentation/x86/x86_64/mm.rst
+++ b/Documentation/x86/x86_64/mm.rst
@@ -140,7 +140,7 @@ The direct mapping covers all memory in the system up to the highest
 memory address (this means in some cases it can also include PCI memory
 holes).
 
-We map EFI runtime services in the 'efi_pgd' PGD in a 64Gb large virtual
+We map EFI runtime services in the 'efi_pgd' PGD in a 64GB large virtual
 memory window (this size is arbitrary, it can be raised later if needed).
 The mappings are not part of any other kernel PGD and are only available
 during EFI runtime calls.