Commit b44f71e3 authored by ZhangPeng's avatar ZhangPeng Committed by Andrew Morton
Browse files

mm/vmalloc.c: use helper function va_size() 

Use helper function va_size() to improve code readability. No functional
modification involved.

Link: https://lkml.kernel.org/r/20240906102539.3537207-1-zhangpeng362@huawei.com


Signed-off-by: default avatarZhangPeng <zhangpeng362@huawei.com>
Reviewed-by: default avatarUladzislau Rezki (Sony) <urezki@gmail.com>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 354a595a

mm/vmalloc.c

+8 −9
Original line number Diff line number Diff line
@@ -1940,7 +1940,7 @@ static inline void setup_vmalloc_vm(struct vm_struct *vm, 
{

	vm->flags = flags;

	vm->addr = (void *)va->va_start;

	vm->size = va->va_end - va->va_start;

	vm->size = va_size(va);

	vm->caller = caller;

	va->vm = vm;

}
@@ -2018,7 +2018,7 @@ static struct vmap_area *alloc_vmap_area(unsigned long size, 


	if (vm) {

		vm->addr = (void *)va->va_start;

		vm->size = va->va_end - va->va_start;

		vm->size = va_size(va);

		va->vm = vm;

	}
@@ -2192,7 +2192,7 @@ static void purge_vmap_node(struct work_struct *work) 
	vn->nr_purged = 0;



	list_for_each_entry_safe(va, n_va, &vn->purge_list, list) {

		unsigned long nr = (va->va_end - va->va_start) >> PAGE_SHIFT;

		unsigned long nr = va_size(va) >> PAGE_SHIFT;

		unsigned long orig_start = va->va_start;

		unsigned long orig_end = va->va_end;

		unsigned int vn_id = decode_vn_id(va->flags);
@@ -2336,8 +2336,8 @@ static void free_vmap_area_noflush(struct vmap_area *va) 
	if (WARN_ON_ONCE(!list_empty(&va->list)))

		return;



	nr_lazy = atomic_long_add_return((va->va_end - va->va_start) >>

				PAGE_SHIFT, &vmap_lazy_nr);

	nr_lazy = atomic_long_add_return(va_size(va) >> PAGE_SHIFT,

					 &vmap_lazy_nr);



	/*

	 * If it was request by a certain node we would like to
@@ -2933,8 +2933,7 @@ void vm_unmap_ram(const void *mem, unsigned int count) 
	if (WARN_ON_ONCE(!va))

		return;



	debug_check_no_locks_freed((void *)va->va_start,

				    (va->va_end - va->va_start));

	debug_check_no_locks_freed((void *)va->va_start, va_size(va));

	free_unmap_vmap_area(va);

}

EXPORT_SYMBOL(vm_unmap_ram);
@@ -4932,7 +4931,7 @@ static void show_purge_info(struct seq_file *m) 
		list_for_each_entry(va, &vn->lazy.head, list) {

			seq_printf(m, "0x%pK-0x%pK %7ld unpurged vm_area\n",

				(void *)va->va_start, (void *)va->va_end,

				va->va_end - va->va_start);

				va_size(va));

		}

		spin_unlock(&vn->lazy.lock);

	}
@@ -4954,7 +4953,7 @@ static int vmalloc_info_show(struct seq_file *m, void *p) 
				if (va->flags & VMAP_RAM)

					seq_printf(m, "0x%pK-0x%pK %7ld vm_map_ram\n",

						(void *)va->va_start, (void *)va->va_end,

						va->va_end - va->va_start);

						va_size(va));



				continue;

			}