Re: [PATCH 35/40] lib: implement context capture support for tagged allocations

Michal Hocko
2023-05-03T07:39:14Z

On Mon 01-05-23 09:54:45, Suren Baghdasaryan wrote:
[...]
> +struct codetag_ctx *alloc_tag_create_ctx(struct alloc_tag *tag, size_t size)
> +{
> + struct alloc_call_ctx *ac_ctx;
> +
> + /* TODO: use a dedicated kmem_cache */
> + ac_ctx = kmalloc(sizeof(struct alloc_call_ctx), GFP_KERNEL);

You cannot really use GFP_KERNEL here. This is post_alloc_hook path and
that has its own gfp context.
--
Michal Hocko
SUSE Labs