Hi Jonsoo, On Mon, Jun 13, 2016 at 9:43 PM, Geert Uytterhoeven <[email protected]> wrote: > On Tue, Apr 12, 2016 at 6:51 AM, <[email protected]> wrote: >> From: Joonsoo Kim <[email protected]> >> To check whther free objects exist or not precisely, we need to grab a >> lock. But, accuracy isn't that important because race window would be >> even small and if there is too much free object, cache reaper would reap >> it. So, this patch makes the check for free object exisistence not to >> hold a lock. This will reduce lock contention in heavily allocation case.
>> Signed-off-by: Joonsoo Kim <[email protected]> > > I've bisected a boot failure (no output at all) in v4.7-rc2 on emev2/kzm9d > (Renesas dual Cortex A9) to this patch, which is upstream commit > 801faf0db8947e01877920e848a4d338dd7a99e7. BTW, when disabling SMP, the problem goes away. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected] In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
