git: a6922417a05e - stable/13 - Use the vm_radix_init() helper when initializing pmaps

The branch stable/13 has been updated by markj:

URL: https://cgit.FreeBSD.org/src/commit/?id=a6922417a05e813b7c779ccbdeec8427304ed73f

commit a6922417a05e813b7c779ccbdeec8427304ed73f
Author:     Mark Johnston <markj@FreeBSD.org>
AuthorDate: 2021-10-20 00:29:05 +0000
Commit:     Mark Johnston <markj@FreeBSD.org>
CommitDate: 2021-11-03 17:42:21 +0000

    Use the vm_radix_init() helper when initializing pmaps
    
    No functional change intended.
    
    Reviewed by:    alc, kib
    Sponsored by:   The FreeBSD Foundation
    
    (cherry picked from commit ff93447d8ed61081adfe00a23a1e4c7bee479e53)
---
 sys/amd64/amd64/pmap.c      | 4 ++--
 sys/arm64/arm64/pmap.c      | 4 ++--
 sys/i386/i386/pmap.c        | 4 ++--
 sys/powerpc/aim/mmu_radix.c | 4 ++--
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c
index d7954b9444b5..de4cbd1da9e1 100644
--- a/sys/amd64/amd64/pmap.c
+++ b/sys/amd64/amd64/pmap.c
@@ -4135,7 +4135,7 @@ pmap_pinit0(pmap_t pmap)
 	pmap->pm_cr3 = kernel_pmap->pm_cr3;
 	/* hack to keep pmap_pti_pcid_invalidate() alive */
 	pmap->pm_ucr3 = PMAP_NO_CR3;
-	pmap->pm_root.rt_root = 0;
+	vm_radix_init(&pmap->pm_root);
 	CPU_ZERO(&pmap->pm_active);
 	TAILQ_INIT(&pmap->pm_pvchunk);
 	bzero(&pmap->pm_stats, sizeof pmap->pm_stats);
@@ -4352,7 +4352,7 @@ pmap_pinit_type(pmap_t pmap, enum pmap_type pm_type, int flags)
 		break;
 	}
 
-	pmap->pm_root.rt_root = 0;
+	vm_radix_init(&pmap->pm_root);
 	CPU_ZERO(&pmap->pm_active);
 	TAILQ_INIT(&pmap->pm_pvchunk);
 	bzero(&pmap->pm_stats, sizeof pmap->pm_stats);
diff --git a/sys/arm64/arm64/pmap.c b/sys/arm64/arm64/pmap.c
index 2bceb293f3f2..1b9c6e96286a 100644
--- a/sys/arm64/arm64/pmap.c
+++ b/sys/arm64/arm64/pmap.c
@@ -1748,7 +1748,7 @@ pmap_pinit0(pmap_t pmap)
 	bzero(&pmap->pm_stats, sizeof(pmap->pm_stats));
 	pmap->pm_l0_paddr = READ_SPECIALREG(ttbr0_el1);
 	pmap->pm_l0 = (pd_entry_t *)PHYS_TO_DMAP(pmap->pm_l0_paddr);
-	pmap->pm_root.rt_root = 0;
+	vm_radix_init(&pmap->pm_root);
 	pmap->pm_cookie = COOKIE_FROM(ASID_RESERVED_FOR_PID_0, INT_MIN);
 	pmap->pm_stage = PM_STAGE1;
 	pmap->pm_levels = 4;
@@ -1771,7 +1771,7 @@ pmap_pinit_stage(pmap_t pmap, enum pmap_stage stage, int levels)
 	pmap->pm_l0_paddr = VM_PAGE_TO_PHYS(m);
 	pmap->pm_l0 = (pd_entry_t *)PHYS_TO_DMAP(pmap->pm_l0_paddr);
 
-	pmap->pm_root.rt_root = 0;
+	vm_radix_init(&pmap->pm_root);
 	bzero(&pmap->pm_stats, sizeof(pmap->pm_stats));
 	pmap->pm_cookie = COOKIE_FROM(-1, INT_MAX);
 
diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c
index 31afca35c080..52008969308b 100644
--- a/sys/i386/i386/pmap.c
+++ b/sys/i386/i386/pmap.c
@@ -2043,7 +2043,7 @@ __CONCAT(PMTYPE, pinit0)(pmap_t pmap)
 #ifdef PMAP_PAE_COMP
 	pmap->pm_pdpt = IdlePDPT;
 #endif
-	pmap->pm_root.rt_root = 0;
+	vm_radix_init(&pmap->pm_root);
 	CPU_ZERO(&pmap->pm_active);
 	TAILQ_INIT(&pmap->pm_pvchunk);
 	bzero(&pmap->pm_stats, sizeof pmap->pm_stats);
@@ -2075,7 +2075,7 @@ __CONCAT(PMTYPE, pinit)(pmap_t pmap)
 		KASSERT(pmap_kextract((vm_offset_t)pmap->pm_pdpt) < (4ULL<<30),
 		    ("pmap_pinit: pdpt above 4g"));
 #endif
-		pmap->pm_root.rt_root = 0;
+		vm_radix_init(&pmap->pm_root);
 	}
 	KASSERT(vm_radix_is_empty(&pmap->pm_root),
 	    ("pmap_pinit: pmap has reserved page table page(s)"));
diff --git a/sys/powerpc/aim/mmu_radix.c b/sys/powerpc/aim/mmu_radix.c
index 3b90b2f33547..f1903c69dddb 100644
--- a/sys/powerpc/aim/mmu_radix.c
+++ b/sys/powerpc/aim/mmu_radix.c
@@ -4176,7 +4176,7 @@ mmu_radix_pinit(pmap_t pmap)
 
 	for (int j = 0; j <  RADIX_PGD_SIZE_SHIFT; j++)
 		pagezero((vm_offset_t)pmap->pm_pml1 + j * PAGE_SIZE);
-	pmap->pm_radix.rt_root = 0;
+	vm_radix_init(&pmap->pm_radix);
 	TAILQ_INIT(&pmap->pm_pvchunk);
 	bzero(&pmap->pm_stats, sizeof pmap->pm_stats);
 	pmap->pm_flags = PMAP_PDE_SUPERPAGE;
@@ -4407,7 +4407,7 @@ mmu_radix_pinit0(pmap_t pmap)
 	pmap->pm_pml1 = kernel_pmap->pm_pml1;
 	pmap->pm_pid = kernel_pmap->pm_pid;
 
-	pmap->pm_radix.rt_root = 0;
+	vm_radix_init(&pmap->pm_radix);
 	TAILQ_INIT(&pmap->pm_pvchunk);
 	bzero(&pmap->pm_stats, sizeof pmap->pm_stats);
 	kernel_pmap->pm_flags =