Re: [PATCH] madvise.2: update the description for MADV_REMOVE

[Wang Sheng-Hui <shhuiw-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

Sorry, miss updating the return error.
Please ignore this patch.

Will send out a new patch later.

Regards,
Sheng-Hui

On 2014年06月25日 07:31, Wang Sheng-Hui wrote:
> 
> Currently we have more filesystems supporting fallcate, e.g ext4/btrfs,
> which can response to MADV_REMOVE gracefully.
> 
> Update the MADV_REMOVE description.
> 
> Signed-off-by: Wang Sheng-Hui <shhuiw-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> ---
>  man2/madvise.2 | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
> 
> diff --git a/man2/madvise.2 b/man2/madvise.2
> index 032ead7..510530c 100644
> --- a/man2/madvise.2
> +++ b/man2/madvise.2
> @@ -99,12 +99,8 @@ or zero-fill-on-demand pages for mappings
>  without an underlying file.
>  .TP
>  .BR MADV_REMOVE " (since Linux 2.6.16)"
> -Free up a given range of pages
> -and its associated backing store.
> -Currently,
> -.\" 2.6.18-rc5
> -only shmfs/tmpfs supports this; other filesystems return with the
> -error
> +Free up a given range of pages and its associated backing store.
> +Filesystems that don't support fallocate will return error
>  .BR ENOSYS .
>  .\" Databases want to use this feature to drop a section of their
>  .\" bufferpool (shared memory segments) - without writing back to
> 
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