vm_object_page_remove(): clear pager even if there is no resident pages

Swap pager might still carry the data.

Debugging help from:	mmel
Reviewed by:	alc
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D53891

This commit is contained in:

Konstantin Belousov

2025-11-22 22:39:27 +02:00

parent 8a766c9e81

commit 72a447d0bc

1 changed files with 2 additions and 1 deletions

									
										sys/vm/vm_object.c
									
		+2
		-1
	
												View File
												
				@@ -1988,7 +1988,7 @@ vm_object_page_remove(vm_object_t object, vm_pindex_t start, vm_pindex_t end,

					    (options & (OBJPR_CLEANONLY | OBJPR_NOTMAPPED)) == OBJPR_NOTMAPPED,

					    ("vm_object_page_remove: illegal options for object %p", object));

					if (object->resident_page_count == 0)

						return;

						goto remove_pager;

					vm_object_pip_add(object, 1);

					vm_page_iter_limit_init(&pages, object, end);

				again:

				@@ -2061,6 +2061,7 @@ vm_object_page_remove(vm_object_t object, vm_pindex_t start, vm_pindex_t end,

					}

					vm_object_pip_wakeup(object);

				remove_pager:

					vm_pager_freespace(object, start, (end == 0 ? object->size : end) -

					    start);

				}