[PATCH v3 02/13] mm: introduce execmem_text_alloc() and execmem_free()

[Song Liu]

On Mon, Sep 18, 2023 at 12:30 AM Mike Rapoport <rppt at kernel.org> wrote:
>
[...]
> +
> +#include <linux/mm.h>
> +#include <linux/vmalloc.h>
> +#include <linux/execmem.h>
> +#include <linux/moduleloader.h>
> +
> +static void *execmem_alloc(size_t size)
> +{
> +       return module_alloc(size);
> +}
> +
> +void *execmem_text_alloc(enum execmem_type type, size_t size)
> +{
> +       return execmem_alloc(size);
> +}

execmem_text_alloc (and later execmem_data_alloc) both take "type" as
input. I guess we can just use execmem_alloc(type, size) for everything?

Thanks,
Song

> +
> +void execmem_free(void *ptr)
> +{
> +       /*
> +        * This memory may be RO, and freeing RO memory in an interrupt is not
> +        * supported by vmalloc.
> +        */
> +       WARN_ON(in_interrupt());
> +       vfree(ptr);
> +}
> --
> 2.39.2
>