[PATCH] x86/mm: remove unused CR3_HW_ASID_BITS

[Yosry Ahmed]

Commit 6fd166aae78c ("x86/mm: Use/Fix PCID to optimize user/kernel
switches") removed the last usage of CR3_HW_ASID_BITS and opted to use
X86_CR3_PCID_BITS instead. Remove CR3_HW_ASID_BITS.

Signed-off-by: Yosry Ahmed <yosryahmed@xxxxxxxxxx>
---
 arch/x86/mm/tlb.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index 44ac64f3a047c..a2ba5bb201705 100644
--- a/arch/x86/mm/tlb.c
+++ b/arch/x86/mm/tlb.c
@@ -85,9 +85,6 @@
  *
  */
 
-/* There are 12 bits of space for ASIDS in CR3 */
-#define CR3_HW_ASID_BITS		12
-
 /*
  * When enabled, MITIGATION_PAGE_TABLE_ISOLATION consumes a single bit for
  * user/kernel switches
-- 
2.44.0.769.g3c40516874-goog