lkml.org 
[lkml]   [2020]   [Mar]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] arm64: Kconfig: allow to change FORCE_MAX_ZONEORDER via custom config
On Fri, Mar 13, 2020 at 02:45:58PM +0200, Vadym Kochan wrote:
> On Fri, Mar 13, 2020 at 12:37:41PM +0000, Catalin Marinas wrote:
> > On Fri, Mar 13, 2020 at 01:50:37AM +0200, Vadym Kochan wrote:
> > > Add missing config option name which allows to change it via custom
> > > config.
> >
> > Why? What is your use-case?
>
> I need to allocate buffers bigger than default ZONEORDER, so I tried to
> increase it but it did not work because the config entry has no name.

I try not to make this selectable as we want a single kernel build to
work on all supported hardware. The current values are chosen to allow
huge pages. If you need bigger contiguous allocations, maybe something
like CMA would help.

--
Catalin

\
 
 \ /
  Last update: 2020-03-16 18:42    [W:0.075 / U:64.268 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site