git: 642dd17ee943 - main - vm_map_growstack(): consistently use local vars instead of curthread/proc

The branch main has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=642dd17ee94377c3d5533d05d0d9a58b88f60387

commit 642dd17ee94377c3d5533d05d0d9a58b88f60387
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2026-05-07 16:00:31 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2026-05-07 17:00:14 +0000

    vm_map_growstack(): consistently use local vars instead of curthread/proc
    
    Reviewed by:    markj
    Sponsored by:   The FreeBSD Foundation
    MFC after:      1 week
    Differential revision:  https://reviews.freebsd.org/D56863
---
 sys/vm/vm_map.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c
index 63bdce9d60f8..0a81e62d2d63 100644
--- a/sys/vm/vm_map.c
+++ b/sys/vm/vm_map.c
@@ -4731,6 +4731,7 @@ static int
 vm_map_growstack(vm_map_t map, vm_offset_t addr, vm_map_entry_t gap_entry)
 {
 	vm_map_entry_t stack_entry;
+	struct thread *td;
 	struct proc *p;
 	struct vmspace *vm;
 	vm_offset_t gap_end, gap_start, grow_start;
@@ -4746,7 +4747,8 @@ vm_map_growstack(vm_map_t map, vm_offset_t addr, vm_map_entry_t gap_entry)
 	int error __diagused;
 #endif
 
-	p = curproc;
+	td = curthread;
+	p = td->td_proc;
 	vm = p->p_vmspace;
 
 	/*
@@ -4760,9 +4762,9 @@ vm_map_growstack(vm_map_t map, vm_offset_t addr, vm_map_entry_t gap_entry)
 
 	MPASS(!vm_map_is_system(map));
 
-	lmemlim = lim_cur(curthread, RLIMIT_MEMLOCK);
-	stacklim = lim_cur(curthread, RLIMIT_STACK);
-	vmemlim = lim_cur(curthread, RLIMIT_VMEM);
+	lmemlim = lim_cur(td, RLIMIT_MEMLOCK);
+	stacklim = lim_cur(td, RLIMIT_STACK);
+	vmemlim = lim_cur(td, RLIMIT_VMEM);
 retry:
 	/* If addr is not in a hole for a stack grow area, no need to grow. */
 	if (gap_entry == NULL && !vm_map_lookup_entry(map, addr, &gap_entry))
@@ -4778,8 +4780,8 @@ retry:
 	} else {
 		return (KERN_FAILURE);
 	}
-	guard = ((curproc->p_flag2 & P2_STKGAP_DISABLE) != 0 ||
-	    (curproc->p_fctl0 & NT_FREEBSD_FCTL_STKGAP_DISABLE) != 0) ? 0 :
+	guard = ((p->p_flag2 & P2_STKGAP_DISABLE) != 0 ||
+	    (p->p_fctl0 & NT_FREEBSD_FCTL_STKGAP_DISABLE) != 0) ? 0 :
 	    gap_entry->next_read;
 	max_grow = gap_entry->end - gap_entry->start;
 	if (guard > max_grow)