On Wed, Mar 27, 2013 at 12:03:59AM +0100, Joerg Roedel wrote: > 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@xxxxxxxxxx> > > > > 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. Then should I just mark the driver as broken on ARM? Any reason for not including the driver authors on the Cc: for this patch? greg k-h -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>