git: 772ae9eddf87 - main - vm ASLR: Handle VM_NRESERV_LEVEL == 0

From: Alan Cox <alc_at_FreeBSD.org>
Date: Sat, 13 Jul 2024 19:49:35 UTC
The branch main has been updated by alc:

URL: https://cgit.FreeBSD.org/src/commit/?id=772ae9eddf87d835279ea6aaaf08b8ca421101ff

commit 772ae9eddf87d835279ea6aaaf08b8ca421101ff
Author:     Alan Cox <alc@FreeBSD.org>
AuthorDate: 2024-07-13 19:40:43 +0000
Commit:     Alan Cox <alc@FreeBSD.org>
CommitDate: 2024-07-13 19:40:43 +0000

    vm ASLR: Handle VM_NRESERV_LEVEL == 0
    
    Some flavors of powerpc don't enable superpage reservations.
    
    Fixes: 3e00c11a4f43 ("arm64: Support the L3 ATTR_CONTIGUOUS page ...")
---
 sys/vm/vm_map.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c
index b9c27e14d1d0..77297a0e3957 100644
--- a/sys/vm/vm_map.c
+++ b/sys/vm/vm_map.c
@@ -1993,7 +1993,7 @@ out:
 	return (result);
 }
 
-#if VM_NRESERVLEVEL == 1
+#if VM_NRESERVLEVEL <= 1
 static const int aslr_pages_rnd_64[2] = {0x1000, 0x10};
 static const int aslr_pages_rnd_32[2] = {0x100, 0x4};
 #elif VM_NRESERVLEVEL == 2