git: c1ae7841d4e7 - main - arm64: Simplify initialization of pc_freemask.

From: John Baldwin <jhb_at_FreeBSD.org>
Date: Wed, 05 Oct 2022 23:21:18 UTC
The branch main has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=c1ae7841d4e73f8627bb76b1dc7e094691cc7a54

commit c1ae7841d4e73f8627bb76b1dc7e094691cc7a54
Author:     John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2022-10-05 23:20:55 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2022-10-05 23:20:55 +0000

    arm64: Simplify initialization of pc_freemask.
    
    Sponsored by:   DARPA
    Differential Revision:  https://reviews.freebsd.org/D36502
---
 sys/arm64/arm64/pmap.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/sys/arm64/arm64/pmap.c b/sys/arm64/arm64/pmap.c
index 148e325c84ba..1e9ada8c89f7 100644
--- a/sys/arm64/arm64/pmap.c
+++ b/sys/arm64/arm64/pmap.c
@@ -2515,16 +2515,11 @@ pv_to_chunk(pv_entry_t pv)
 #define	PC_FREEN	0xfffffffffffffffful
 #define	PC_FREEL	((1ul << (_NPCPV % 64)) - 1)
 
-static const uint64_t pc_freemask[] = { PC_FREEN, PC_FREEN,
-#if _NPCM > 3
-    PC_FREEN, PC_FREEN, PC_FREEN, PC_FREEN, PC_FREEN, PC_FREEN, PC_FREEN,
-    PC_FREEN,
-#endif
-    PC_FREEL
+static const uint64_t pc_freemask[_NPCM] = {
+	[0 ... _NPCM - 2] = PC_FREEN,
+	[_NPCM - 1] = PC_FREEL
 };
 
-CTASSERT(nitems(pc_freemask) == _NPCM);
-
 static __inline bool
 pc_is_full(struct pv_chunk *pc)
 {