Re: [PATCH v8 06/17] mm: introduce execmem_alloc() and execmem_free()

[Steven Rostedt]

On Sun,  5 May 2024 17:25:49 +0300
Mike Rapoport <rppt@xxxxxxxxxx> wrote:

> diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
> index 70139d9d2e01..c8ddb7abda7c 100644
> --- a/arch/x86/kernel/ftrace.c
> +++ b/arch/x86/kernel/ftrace.c
> @@ -25,6 +25,7 @@
>  #include <linux/memory.h>
>  #include <linux/vmalloc.h>
>  #include <linux/set_memory.h>
> +#include <linux/execmem.h>
>  
>  #include <trace/syscall.h>
>  
> @@ -261,15 +262,14 @@ void arch_ftrace_update_code(int command)
>  #ifdef CONFIG_X86_64
>  
>  #ifdef CONFIG_MODULES
> -#include <linux/moduleloader.h>
>  /* Module allocation simplifies allocating memory for code */
>  static inline void *alloc_tramp(unsigned long size)
>  {
> -	return module_alloc(size);
> +	return execmem_alloc(EXECMEM_FTRACE, size);
>  }
>  static inline void tramp_free(void *tramp)
>  {
> -	module_memfree(tramp);
> +	execmem_free(tramp);
>  }
>  #else
>  /* Trampolines can only be created if modules are supported */
> diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c

Acked-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>

-- Steve