linux-kernel - Re: missing madvise functionality

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <46152099.7060005@redhat.com>
Date:	Thu, 05 Apr 2007 12:15:21 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Jakub Jelinek <jakub@...hat.com>
CC:	Ulrich Drepper <drepper@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andi Kleen <andi@...stfloor.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	linux-mm@...ck.org, Hugh Dickins <hugh@...itas.com>
Subject: Re: missing madvise functionality

Jakub Jelinek wrote:

> +	/* FIXME: POSIX says that MADV_DONTNEED cannot throw away data. */
>  	case MADV_DONTNEED:
> +	case MADV_FREE:
>  		error = madvise_dontneed(vma, prev, start, end);
>  		break;
>  
> I think you should only use the new behavior for madvise MADV_FREE, not for
> MADV_DONTNEED. 

I will.  However, we need to double-use MADV_DONTNEED in this
patch for now, so Ulrich's test glibc can be used easily :)

-- 
Politics is the struggle between those who want to make their country
the best in the world, and those who believe it already is.  Each group
calls the other unpatriotic.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/