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SubjectRe: [PATCH] debugobjects: Use GFP_ATOMIC to allocate when initializing
On Sat, Mar 31, 2012 at 05:22:52PM -0400, Sasha Levin wrote:
> During the init stage, we have only 1 cpu and run with IRQs disabled,

debug_objects_mem_init() is called after local_irq_enable() in
start_kernel()

> we can't allocate with GFP_KERNEL.
>
> This also fixes the related warning on boot.

Not sure how you get that.

Thanks,
Yong


>
> Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
> ---
> lib/debugobjects.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/lib/debugobjects.c b/lib/debugobjects.c
> index 0ab9ae8..ece5e06 100644
> --- a/lib/debugobjects.c
> +++ b/lib/debugobjects.c
> @@ -1020,7 +1020,7 @@ static int __init debug_objects_replace_static_objects(void)
> int i, cnt = 0;
>
> for (i = 0; i < ODEBUG_POOL_SIZE; i++) {
> - obj = kmem_cache_zalloc(obj_cache, GFP_KERNEL);
> + obj = kmem_cache_zalloc(obj_cache, GFP_ATOMIC);
> if (!obj)
> goto free;
> hlist_add_head(&obj->node, &objects);
> --
> 1.7.8.5
>
> --
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