[PATCH v2 1/2] x86/efi/64: Clean up code comment about efi region

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EFI allocates runtime services regions starting from EFI_VA_START, -4G,
decrement to EFI_VA_END. So remove the bottom-up term to avoid confusion.

Signed-off-by: Baoquan He <bhe@xxxxxxxxxx>
---

 arch/x86/platform/efi/efi_64.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index a4695da..e941b29 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -47,8 +47,9 @@
 #include <asm/pgalloc.h>
 
 /*
- * We allocate runtime services regions bottom-up, starting from -4G, i.e.
- * 0xffff_ffff_0000_0000 and limit EFI VA mapping space to 64G.
+ * We allocate runtime services regions starting from -4G, i.e.
+ * 0xffff_ffff_0000_0000 and decrement as we go. The EFI VA mapping space
+ * is limited to 64G.
  */
 static u64 efi_va = EFI_VA_START;
 
-- 
2.5.5

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