Re: [PATCH 3/3] Page Fault Scalability V20: Avoid lock for anonymous write fault

On Fri, Apr 29, 2005 at 12:59:17PM -0700, Christoph Lameter wrote:
> Do not use the page_table_lock in do_anonymous_page. This will significantly
> increase the parallelism in the page fault handler for SMP systems. The patch
> also modifies the definitions of _mm_counter functions so that rss and anon_rss
> become atomic (and will use atomic64_t if available).

I thought we said all architectures should provide an atomic64_t (and
given that it's not actually 64bit on 32bit architecture we should
probably rename it to atomic_long_t)

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

Follow-Ups:
- Re: [PATCH 3/3] Page Fault Scalability V20: Avoid lock for anonymous write fault
  - From: Christoph Lameter <[email protected]>

References:
- [PATCH 0/3] Page Fault Scalability V20: Overview
  - From: Christoph Lameter <[email protected]>
- [PATCH 3/3] Page Fault Scalability V20: Avoid lock for anonymous write fault
  - From: Christoph Lameter <[email protected]>

Prev by Date: Re: setitimer timer expires too early
Next by Date: Re: [PATCH] fs/Kconfig: more consistent configuration of XFS
Previous by thread: [PATCH 3/3] Page Fault Scalability V20: Avoid lock for anonymous write fault
Next by thread: Re: [PATCH 3/3] Page Fault Scalability V20: Avoid lock for anonymous write fault
Index(es):
- Date
- Thread

[Index of Archives] [Kernel Newbies] [Netfilter] [Bugtraq] [Photo] [Stuff] [Gimp] [Yosemite News] [MIPS Linux] [ARM Linux] [Linux Security] [Linux RAID] [Video 4 Linux] [Linux for the blind] [Linux Resources]