git: 2e7838ae84c6 - main - vm_phys_early_alloc: mem_index is only used under #ifdef NUMA.

From: John Baldwin <jhb_at_FreeBSD.org>
Date: Sat, 09 Apr 2022 00:27:51 UTC
The branch main has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=2e7838ae84c668fcfe9a4385c65d06fbfa1214a0

commit 2e7838ae84c668fcfe9a4385c65d06fbfa1214a0
Author:     John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2022-04-09 00:25:13 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2022-04-09 00:25:13 +0000

    vm_phys_early_alloc: mem_index is only used under #ifdef NUMA.
    
    Possibly mem_index should just reuse biggestone since this loop is
    already reusing biggestsize.
---
 sys/vm/vm_phys.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/sys/vm/vm_phys.c b/sys/vm/vm_phys.c
index 33c46fe7c481..4e87a90fa154 100644
--- a/sys/vm/vm_phys.c
+++ b/sys/vm/vm_phys.c
@@ -1660,7 +1660,10 @@ vm_phys_early_add_seg(vm_paddr_t start, vm_paddr_t end)
 vm_paddr_t
 vm_phys_early_alloc(int domain, size_t alloc_size)
 {
-	int i, mem_index, biggestone;
+#ifdef NUMA
+	int mem_index;
+#endif
+	int i, biggestone;
 	vm_paddr_t pa, mem_start, mem_end, size, biggestsize, align;
 
 	KASSERT(domain == -1 || (domain >= 0 && domain < vm_ndomains),
@@ -1672,10 +1675,10 @@ vm_phys_early_alloc(int domain, size_t alloc_size)
 	 * the phys_avail selection below.
 	 */
 	biggestsize = 0;
-	mem_index = 0;
 	mem_start = 0;
 	mem_end = -1;
 #ifdef NUMA
+	mem_index = 0;
 	if (mem_affinity != NULL) {
 		for (i = 0;; i++) {
 			size = mem_affinity[i].end - mem_affinity[i].start;