Re: [PATCH] powerpc/32s: Fix module loading failure when VMALLOC_END is over 0xf0000000

From: Michael Ellerman
Date: Thu Aug 27 2020 - 03:47:00 EST


On Fri, 21 Aug 2020 07:15:25 +0000 (UTC), Christophe Leroy wrote:
> In is_module_segment(), when VMALLOC_END is over 0xf0000000,
> ALIGN(VMALLOC_END, SZ_256M) has value 0.
>
> In that case, addr >= ALIGN(VMALLOC_END, SZ_256M) is always
> true then is_module_segment() always returns false.
>
> Use (ALIGN(VMALLOC_END, SZ_256M) - 1) which will have
> value 0xffffffff and will be suitable for the comparison.

Applied to powerpc/fixes.

[1/1] powerpc/32s: Fix module loading failure when VMALLOC_END is over 0xf0000000
https://git.kernel.org/powerpc/c/541cebb51f3422d4f2c6cb95c1e5cc3dcc9e5021

cheers