Hi Qian,
On Wed, Mar 13, 2019 at 10:57:17AM -0400, Qian Cai wrote:
> @@ -1531,7 +1547,14 @@ static void kmemleak_scan(void)
>
> /* data/bss scanning */
> scan_large_block(_sdata, _edata);
> - scan_large_block(__bss_start, __bss_stop);
> +
> + if (bss_hole_start) {
> + scan_large_block(__bss_start, bss_hole_start);
> + scan_large_block(bss_hole_stop, __bss_stop);
> + } else {
> + scan_large_block(__bss_start, __bss_stop);
> + }
> +
> scan_large_block(__start_ro_after_init, __end_ro_after_init);
I'm not a fan of this approach but I couldn't come up with anything
better. I was hoping we could check for PageReserved() in scan_block()
but on arm64 it ends up not scanning the .bss at all.
Until another user appears, I'm ok with this patch.
Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
