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

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On Mon, Sep 18, 2023 at 12:30 AM Mike Rapoport <rppt@xxxxxxxxxx> wrote:
>

[...]

> diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c
> index 42215f9404af..db5561d0c233 100644
> --- a/arch/s390/kernel/module.c
> +++ b/arch/s390/kernel/module.c
> @@ -21,6 +21,7 @@
>  #include <linux/moduleloader.h>
>  #include <linux/bug.h>
>  #include <linux/memory.h>
> +#include <linux/execmem.h>
>  #include <asm/alternative.h>
>  #include <asm/nospec-branch.h>
>  #include <asm/facility.h>
> @@ -76,7 +77,7 @@ void *module_alloc(unsigned long size)
>  #ifdef CONFIG_FUNCTION_TRACER
>  void module_arch_cleanup(struct module *mod)
>  {
> -       module_memfree(mod->arch.trampolines_start);
> +       execmem_free(mod->arch.trampolines_start);
>  }
>  #endif
>
> @@ -510,7 +511,7 @@ static int module_alloc_ftrace_hotpatch_trampolines(struct module *me,
>
>         size = FTRACE_HOTPATCH_TRAMPOLINES_SIZE(s->sh_size);
>         numpages = DIV_ROUND_UP(size, PAGE_SIZE);
> -       start = module_alloc(numpages * PAGE_SIZE);
> +       start = execmem_text_alloc(EXECMEM_FTRACE, numpages * PAGE_SIZE);

This should be EXECMEM_MODULE_TEXT?

Thanks,
Song

>         if (!start)
>                 return -ENOMEM;
>         set_memory_rox((unsigned long)start, numpages);
[...]





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