[PATCH v2 3/6] mm/vmalloc: constify vm parameter of get_vm_area_page_order()
From: "Mike Rapoport (Microsoft)" <rppt@kernel.org>
Date: 2026-08-23 11:47:08
Also in:
linux-mm, linux-pm, linux-riscv, linux-s390, lkml, loongarch
Subsystem:
memory management, the rest, vmalloc · Maintainers:
Andrew Morton, Linus Torvalds, Uladzislau Rezki
get_vm_area_page_order() and vm_area_page_order() do not need to modify struct vm_struct passed to them. Constify the parameter. Reviewed-by: Uladzislau Rezki (Sony) <urezki@gmail.com> Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org> --- mm/vmalloc.c | 4 ++-- mm/vmalloc.h | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 9bd94e2f2895..a3e2e4244c0f 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c@@ -3124,7 +3124,7 @@ EXPORT_SYMBOL(vm_map_ram); static struct vm_struct *vmlist __initdata; -static inline unsigned int vm_area_page_order(struct vm_struct *vm) +static inline unsigned int vm_area_page_order(const struct vm_struct *vm) { #ifdef CONFIG_HAVE_ARCH_HUGE_VMALLOC return vm->page_order;
@@ -3133,7 +3133,7 @@ static inline unsigned int vm_area_page_order(struct vm_struct *vm) #endif } -unsigned int get_vm_area_page_order(struct vm_struct *vm) +unsigned int get_vm_area_page_order(const struct vm_struct *vm) { return vm_area_page_order(vm); }
diff --git a/mm/vmalloc.h b/mm/vmalloc.h
index 8866ddcff668..211869f36509 100644
--- a/mm/vmalloc.h
+++ b/mm/vmalloc.h@@ -12,7 +12,7 @@ void __init vmalloc_init(void); int __must_check vmap_pages_range_noflush(unsigned long addr, unsigned long end, pgprot_t prot, struct page **pages, unsigned int page_shift, gfp_t gfp_mask); -unsigned int get_vm_area_page_order(struct vm_struct *vm); +unsigned int get_vm_area_page_order(const struct vm_struct *vm); #else static inline void vmalloc_init(void) {}
--
2.53.0