linux-kernel - Re: [PATCH] mm: Support compiling out madvise and fadvise

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: <20140925172113.GA8209@cmpxchg.org>
Date:	Thu, 25 Sep 2014 13:21:13 -0400
From:	Johannes Weiner <hannes@...xchg.org>
To:	Josh Triplett <josh@...htriplett.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org,
	linux-api@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH] mm: Support compiling out madvise and fadvise

On Mon, Sep 22, 2014 at 09:11:16AM -0700, Josh Triplett wrote:
> @@ -3,7 +3,7 @@
>  #
>  
>  mmu-y			:= nommu.o
> -mmu-$(CONFIG_MMU)	:= fremap.o gup.o highmem.o madvise.o memory.o mincore.o \
> +mmu-$(CONFIG_MMU)	:= fremap.o gup.o highmem.o memory.o mincore.o \
>  			   mlock.o mmap.o mprotect.o mremap.o msync.o rmap.o \
>  			   vmalloc.o pagewalk.o pgtable-generic.o
>  
> @@ -11,7 +11,7 @@ ifdef CONFIG_CROSS_MEMORY_ATTACH
>  mmu-$(CONFIG_MMU)	+= process_vm_access.o
>  endif
>  
> -obj-y			:= filemap.o mempool.o oom_kill.o fadvise.o \
> +obj-y			:= filemap.o mempool.o oom_kill.o \
>  			   maccess.o page_alloc.o page-writeback.o \
>  			   readahead.o swap.o truncate.o vmscan.o shmem.o \
>  			   util.o mmzone.o vmstat.o backing-dev.o \
> @@ -28,6 +28,9 @@ else
>  	obj-y		+= bootmem.o
>  endif
>  
> +ifdef CONFIG_MMU
> +	obj-$(CONFIG_ADVISE_SYSCALLS)	+= fadvise.o madvise.o
> +endif

That makes fadvise MMU-only, but I don't see why it should be.

Was that intentional?
--
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/