lkml.org 
[lkml]   [2006]   [May]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC] Hugetlb demotion for x86
From
Date
On Thu, 2006-05-11 at 11:10 -0500, Adam Litke wrote:
> Yes, the SIGBUS issues are "fixed". Now the application is killed
> directly via VM_FAULT_OOM so it is not possible to handle the fault from
> userspace. For my libhugetlbfs-based fallback approach, I needed to
> patch the kernel so that SIGBUS was delivered to the process like in the
> days of old.

Maybe this could be off-by-default behavior that can be enabled with a
special mmap flag or madvise, or something similar. It seems that apps
don't want to get SIGBUS for low memory. But, if they have _asked_ for
it, perhaps they'd be a bit more willing.

(BTW, I fixed the bogus linux-mm cc, finally ;)

-- Dave

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-05-15 16:24    [W:0.049 / U:6.876 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site