* Thomas Garnier <thgarnie@xxxxxxxxxx> wrote: > On Thu, Mar 16, 2017 at 1:10 AM, Ingo Molnar <mingo@xxxxxxxxxx> wrote: > > > > Note that asm/fixmap.h is an x86-ism that isn't present in many other > > architectures, so this hunk will break the build. > > > > To make progress with these patches I've fixed it up with an ugly #ifdef > > CONFIG_X86, but it needs a real solution instead before this can be pushed > > upstream. > > I also saw an error on x86 tip on special configuration. I found this > new patch below to be a good solution to both. > > Let me know what you think. > > ===== > > This patch aligns MODULES_END to the beginning of the Fixmap section. > It optimizes the space available for both sections. The address is > pre-computed based on the number of pages required by the Fixmap > section. > > It will allow GDT remapping in the Fixmap section. The current > MODULES_END static address does not provide enough space for the kernel > to support a large number of processors. > > Signed-off-by: Thomas Garnier <thgarnie@xxxxxxxxxx> > --- > Based on next-20170308 > --- > Documentation/x86/x86_64/mm.txt | 5 ++++- > arch/x86/include/asm/pgtable_64.h | 1 + > arch/x86/include/asm/pgtable_64_types.h | 3 ++- > 3 files changed, 7 insertions(+), 2 deletions(-) The patch is heavily whitespace and line wrap damaged :-( Please send a properly titled, changelogged delta patch against tip:master (or tip:x86/mm) to remove the CONFIG_X86 hack and fix the build bug. Thanks, Ingo -- 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>