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authorZhangPeng <zhangpeng362@huawei.com>2024-09-06 18:25:39 +0800
committerAndrew Morton <akpm@linux-foundation.org>2024-09-09 16:39:17 -0700
commitb44f71e3fa35e1d8076b73316abff155ef1aa26c (patch)
treebf13c47a741e2e5158464f7c60438700c493c975 /mm
parent354a595a4a4d9dfc0d3e5703c6c5520e6c2f52d8 (diff)
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: ZhangPeng <zhangpeng362@huawei.com> Reviewed-by: Uladzislau Rezki (Sony) <urezki@gmail.com> Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/vmalloc.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index efba551d81aa..cf2af80157bc 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -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 @@ retry:
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;
}