git: c71c41da618a - main - vm_radix: add iter insert and remove interfaces

The branch main has been updated by dougm:

URL: https://cgit.FreeBSD.org/src/commit/?id=c71c41da618a468349e5b32b77d627718264f97e

commit c71c41da618a468349e5b32b77d627718264f97e
Author:     Doug Moore <dougm@FreeBSD.org>
AuthorDate: 2024-10-10 16:07:40 +0000
Commit:     Doug Moore <dougm@FreeBSD.org>
CommitDate: 2024-10-10 16:07:40 +0000

    vm_radix: add iter insert and remove interfaces
    
    Add functions in the vm_radix style for using iterators to insert or
    remove a page from a radix tree.
    
    Reviewed by:    alc
    Differential Revision:  https://reviews.freebsd.org/D47021
---
 sys/vm/vm_radix.h | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/sys/vm/vm_radix.h b/sys/vm/vm_radix.h
index d35c9a171d4b..e1f7323dd205 100644
--- a/sys/vm/vm_radix.h
+++ b/sys/vm/vm_radix.h
@@ -60,7 +60,7 @@ PCTRIE_DEFINE_SMR(VM_RADIX, vm_page, pindex, vm_radix_node_alloc,
     vm_radix_node_free, vm_radix_smr);
 
 /*
- * Inserts the key-value pair into the trie.
+ * Inserts the key-value pair into the trie, starting search from root.
  * Panics if the key already exists.
  */
 static __inline int
@@ -69,6 +69,16 @@ vm_radix_insert(struct vm_radix *rtree, vm_page_t page)
 	return (VM_RADIX_PCTRIE_INSERT(&rtree->rt_trie, page));
 }
 
+/*
+ * Inserts the key-value pair into the trie, starting search from iterator.
+ * Panics if the key already exists.
+ */
+static __inline int
+vm_radix_iter_insert(struct pctrie_iter *pages, vm_page_t page)
+{
+	return (VM_RADIX_PCTRIE_ITER_INSERT(pages, page));
+}
+
 /*
  * Insert the page into the vm_radix tree with its pindex as the key.  Panic if
  * the pindex already exists.  Return zero on success or a non-zero error on
@@ -187,6 +197,15 @@ vm_radix_remove(struct vm_radix *rtree, vm_pindex_t index)
 {
 	return (VM_RADIX_PCTRIE_REMOVE_LOOKUP(&rtree->rt_trie, index));
 }
+
+/*
+ * Remove the current page from the trie.
+ */
+static __inline void
+vm_radix_iter_remove(struct pctrie_iter *pages)
+{
+	VM_RADIX_PCTRIE_ITER_REMOVE(pages);
+}
  
 /*
  * Reclaim all the interior nodes of the trie, and invoke the callback