[PATCH 4/5] mm/vmalloc: add DEFINE_FREE() for vfree()
From: "Mike Rapoport (Microsoft)" <rppt@kernel.org>
Date: 2026-09-03 15:50:19
Also in:
linux-mm, lkml
Subsystem:
hid core layer, the rest, vmalloc · Maintainers:
Jiri Kosina, Benjamin Tissoires, Linus Torvalds, Andrew Morton, Uladzislau Rezki
... and use it in hid-core, the only place with a cleanup for a vmalloc() allocation. Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org> --- drivers/hid/hid-core.c | 4 ++-- include/linux/vmalloc.h | 3 +++ 2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index a3ff0514f9cdf..ec7c2860c93ef 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c@@ -944,7 +944,7 @@ static int hid_scan_report(struct hid_device *hid) hid_parser_reserved }; - struct hid_parser *parser __free(kvfree) = vzalloc(sizeof(*parser)); + struct hid_parser *parser __free(vfree) = vzalloc(sizeof(*parser)); if (!parser) return -ENOMEM;
@@ -1265,7 +1265,7 @@ static int hid_parse_collections(struct hid_device *device) hid_parser_reserved }; - struct hid_parser *parser __free(kvfree) = vzalloc(sizeof(*parser)); + struct hid_parser *parser __free(vfree) = vzalloc(sizeof(*parser)); if (!parser) return -ENOMEM;
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 6e555e31e6225..034a693777ca0 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h@@ -3,6 +3,7 @@ #define _LINUX_VMALLOC_H #include <linux/alloc_tag.h> +#include <linux/cleanup.h> #include <linux/sched.h> #include <linux/spinlock.h> #include <linux/init.h>
@@ -215,6 +216,8 @@ void *__must_check vrealloc_node_align_noprof(const void *p, size_t size, extern void vfree(const void *addr); extern void vfree_atomic(const void *addr); +DEFINE_FREE(vfree, void *, if (!IS_ERR_OR_NULL(_T)) vfree(_T)) + extern void *vmap(struct page **pages, unsigned int count, unsigned long flags, pgprot_t prot); void *vmap_pfn(unsigned long *pfns, unsigned int count, pgprot_t prot);
--
2.53.0