The patch titled
Subject: mm/vmalloc.c: use helper function va_size()
has been added to the -mm mm-unstable branch. Its filename is
mm-vmallocc-use-helper-function-va_size.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-vmallocc-use-helper-function-va_size.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: ZhangPeng <zhangpeng362@xxxxxxxxxx>
Subject: mm/vmalloc.c: use helper function va_size()
Date: Fri, 6 Sep 2024 18:25:39 +0800
Use helper function va_size() to improve code readability. No functional
modification involved.
Link: https://lkml.kernel.org/r/20240906102539.3537207-1-zhangpeng362@xxxxxxxxxx
Signed-off-by: ZhangPeng <zhangpeng362@xxxxxxxxxx>
Reviewed-by: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmalloc.c | 17 ++++++++---------
1 file changed, 8 insertions(+), 9 deletions(-)
--- a/mm/vmalloc.c~mm-vmallocc-use-helper-function-va_size
+++ a/mm/vmalloc.c
@@ -1940,7 +1940,7 @@ static inline void setup_vmalloc_vm(stru
{
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;
}
@@ -2215,7 +2215,7 @@ static void purge_vmap_node(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 int vn_id = decode_vn_id(va->flags);
list_del_init(&va->list);
@@ -2355,8 +2355,8 @@ static void free_vmap_area_noflush(struc
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
@@ -2952,8 +2952,7 @@ void vm_unmap_ram(const void *mem, unsig
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);
@@ -4953,7 +4952,7 @@ static void show_purge_info(struct seq_f
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);
}
@@ -4975,7 +4974,7 @@ static int vmalloc_info_show(struct seq_
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;
}
_
Patches currently in -mm which might be from zhangpeng362@xxxxxxxxxx are
mm-vmallocc-use-helper-function-va_size.patch
