Le 10/14/17 à 17:07, Rosen Penev a écrit :
> Without this, posix_[fm]advise does not work. This causes issues with 
> btrfs-progs, which uses fadvise to drop caches.

What's the kernel image size difference w/ and w/o this option? Would it
make sense to expose it under config/Config-kernel.in for instance?

> 
> Signed-off-by: Rosen Penev <ros...@gmail.com>
> ---
>  target/linux/generic/config-4.9 | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/target/linux/generic/config-4.9 b/target/linux/generic/config-4.9
> index 8654357dbf..570efabc7a 100644
> --- a/target/linux/generic/config-4.9
> +++ b/target/linux/generic/config-4.9
> @@ -90,7 +90,7 @@ CONFIG_32BIT=y
>  # CONFIG_ADM6996_PHY is not set
>  # CONFIG_ADM8211 is not set
>  # CONFIG_ADT7316 is not set
> -# CONFIG_ADVISE_SYSCALLS is not set
> +CONFIG_ADVISE_SYSCALLS=y
>  # CONFIG_ADXRS450 is not set
>  CONFIG_AEABI=y
>  # CONFIG_AFE4403 is not set
> 


-- 
Florian

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