lkml.org 
[lkml]   [2013]   [Mar]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] staging: zsmalloc: Fix link error on ARM
On Tue, Mar 26, 2013 at 03:45:36PM -0700, Greg Kroah-Hartman wrote:
> On Tue, Mar 26, 2013 at 11:33:52PM +0100, Joerg Roedel wrote:
> > Testing the arm chromebook config against the upstream
> > kernel produces a linker error for the zsmalloc module from
> > staging. The symbol flush_tlb_kernel_range is not available
> > there. Fix this by removing the reimplementation of
> > unmap_kernel_range in the zsmalloc module and using the
> > function directly.
> >
> > Signed-off-by: Joerg Roedel <joro@8bytes.org>
>
> Why is this not an error for any other architecture? Why is arm
> special?

The version of the function __zs_unmap_object() which uses
flush_tlb_kernel_range() in the zsmalloc driver is only compiled in when
USE_PGTABLE_MAPPING is defined. And USE_PGTABLE_MAPPING is defined in
the same file only when CONFIG_ARM is defined. So this happens only on
ARM.

Regards,

Joerg




\
 
 \ /
  Last update: 2013-03-28 07:21    [W:0.128 / U:1.836 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site