Re: [RFC PATCH -next] mm/vmstat: Fix build error without CONFIG_VM_EVENT_COUNTERS

From: Yuehaibing
Date: Tue Oct 22 2019 - 08:57:42 EST


Pls ignore this, seems has fixed.

https://lore.kernel.org/linux-mm/cd1c42ae-281f-c8a8-70ac-1d01d417b2e1@xxxxxxxxxxxxx/T/#u

On 2019/10/22 20:51, YueHaibing wrote:
> If CONFIG_VM_EVENT_COUNTERS is n but CONFIG_MEMCG is y,
> vmstat_text is not equal stat_items_size:
>
> mm/vmstat.c: In function vmstat_start:
> ./include/linux/compiler.h:350:38: error: call to __compiletime_assert_1659 declared
> with attribute error: BUILD_BUG_ON failed: stat_items_size != ARRAY_SIZE(vmstat_text) * sizeof(unsigned long)
> _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
>
> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
> Fixes: 2fdf561910a9 ("mm/memcontrol: use vmstat names for printing statistics")
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
> ---
> mm/vmstat.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/mm/vmstat.c b/mm/vmstat.c
> index b2fd344..a19ed6e 100644
> --- a/mm/vmstat.c
> +++ b/mm/vmstat.c
> @@ -1655,8 +1655,6 @@ static void *vmstat_start(struct seq_file *m, loff_t *pos)
> stat_items_size += sizeof(struct vm_event_state);
> #endif
>
> - BUILD_BUG_ON(stat_items_size !=
> - ARRAY_SIZE(vmstat_text) * sizeof(unsigned long));
> v = kmalloc(stat_items_size, GFP_KERNEL);
> m->private = v;
> if (!v)
>