lkml.org 
[lkml]   [2022]   [Mar]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH] madvise.2: update EINVAL return info
From
Hellp Charan,

On 3/16/22 15:52, Charan Teja Reddy wrote:
> MADV_COLD and MADV_PAGEOUT advises on an address range which includes
> locked, Huge TLB pages or VM_PFNMAP pages can return EINVAL. Update the
> man pages accordingly.
>
> Reported-by: Nadav Amit <nadav.amit@gmail.com>
> Signed-off-by: Charan Teja Reddy <quic_charante@quicinc.com>

Patch applied.

Thanks,

Alex

> ---
> man2/madvise.2 | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/man2/madvise.2 b/man2/madvise.2
> index f1f384c..ab98a87 100644
> --- a/man2/madvise.2
> +++ b/man2/madvise.2
> @@ -505,6 +505,16 @@ is not a valid.
> .B EINVAL
> .I advice
> is
> +.BR MADV_COLD
> +or
> +.BR MADV_PAGEOUT
> +and the specified address range includes locked, Huge TLB pages, or
> +.B VM_PFNMAP
> +pages.
> +.TP
> +.B EINVAL
> +.I advice
> +is
> .B MADV_DONTNEED
> or
> .BR MADV_REMOVE

--
Alejandro Colomar
Linux man-pages comaintainer; https://www.kernel.org/doc/man-pages/
http://www.alejandro-colomar.es/

\
 
 \ /
  Last update: 2022-03-17 22:04    [W:0.028 / U:0.272 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site