From 254e7a129e47084ba5710d85d605dc5bc56a06bf Mon Sep 17 00:00:00 2001 From: "Mike Rapoport (Microsoft)" Date: Thu, 3 Sep 2026 18:50:01 +0300 Subject: [PATCH] mm/vmalloc: add DEFINE_FREE() for vfree() ... and use it in hid-core, the only place with a cleanup for a vmalloc() allocation. Link: https://lore.kernel.org/20260903-execmem-rox-cache-pmd-v1-v1-4-11beb2a3d249@kernel.org Signed-off-by: Mike Rapoport (Microsoft) Signed-off-by: Andrew Morton Cc: Benjamin Tissoires Cc: Jiri Kosina Cc: Luis Chamberalin Cc: "Uladzislau Rezki (Sony)" --- 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 a3ff0514f9cd..ec7c2860c93e 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 6e555e31e622..034a693777ca 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -3,6 +3,7 @@ #define _LINUX_VMALLOC_H #include +#include #include #include #include @@ -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);