Re: [PATCH] madvise MADV_DONTFORK/MADV_DOFORK

[Nick Piggin]

Michael S. Tsirkin wrote:

> Index: linux-2.6.16-rc2/include/asm-x86_64/mman.h
> ===================================================================
> --- linux-2.6.16-rc2.orig/include/asm-x86_64/mman.h	2006-02-14 01:22:27.000000000 +0200
> +++ linux-2.6.16-rc2/include/asm-x86_64/mman.h	2006-02-14 01:24:57.000000000 +0200
> @@ -37,6 +37,8 @@
>  #define MADV_WILLNEED	0x3		/* pre-fault pages */
>  #define MADV_DONTNEED	0x4		/* discard these pages */
>  #define MADV_REMOVE	0x5		/* remove these pages & resources */
> +#define MADV_DONTFORK	0x30		/* dont inherit across fork */
> +#define MADV_DOFORK	0x31		/* do inherit across fork */
>  

May I ask, what is the rationale for ignoring the apparent conventions
of all architectures? For example parisc, you appear to even go contrary
to the comment.

--
SUSE Labs, Novell Inc.
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