lkml.org 
[lkml]   [2014]   [Nov]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH 1/3] hugetlb: fix hugepages= entry in kernel-parameters.txt
Date
On Wed, Nov 12, 2014 at 05:33:11PM -0500, Luiz Capitulino wrote:
> The hugepages= entry in kernel-parameters.txt states that
> 1GB pages can only be allocated at boot time and not
> freed afterwards. This is not true since commit
> 944d9fec8d7aee, at least for x86_64.
>
> Instead of adding arch-specifc observations to the
> hugepages= entry, this commit just drops the out of date
> information. Further information about arch-specific
> support and available features can be obtained in the
> hugetlb documentation.
>
> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>

Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>

> ---
> Documentation/kernel-parameters.txt | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
> index 479f332..d919af0 100644
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> @@ -1228,9 +1228,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
> multiple times interleaved with hugepages= to reserve
> huge pages of different sizes. Valid pages sizes on
> x86-64 are 2M (when the CPU supports "pse") and 1G
> - (when the CPU supports the "pdpe1gb" cpuinfo flag)
> - Note that 1GB pages can only be allocated at boot time
> - using hugepages= and not freed afterwards.
> + (when the CPU supports the "pdpe1gb" cpuinfo flag).
>
> hvc_iucv= [S390] Number of z/VM IUCV hypervisor console (HVC)
> terminal devices. Valid values: 0..8
> --
> 1.9.3
>
> --
> To unsubscribe, send a message with 'unsubscribe linux-mm' in
> the body to majordomo@kvack.org. For more info on Linux MM,
> see: http://www.linux-mm.org/ .
> Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>

\
 
 \ /
  Last update: 2014-11-17 01:41    [W:0.066 / U:35.368 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site