From: "Luck, Tony" <tony.luck@intel.com>
To: Dean Roe <roe@sgi.com>
Cc: linux-ia64@vger.kernel.org, linux-mm@kvack.org
Subject: RE: [ PATCH ] - Avoid slow TLB purges on SGI Altix systems
Date: Thu, 27 Oct 2005 11:41:13 -0700 [thread overview]
Message-ID: <B8E391BBE9FE384DAA4C5C003888BE6F04CC08DF@scsmsx401.amr.corp.intel.com> (raw)
>flush_tlb_range() only calls platform_global_tlb_purge() for CONFIG_SMP,
>so there's no point in having that code in ia64_global_tlb_purge().
So you have dropped the "mm->context = 0;" for the UP case (and replaced
it with a series of ia64_ptcl() calls).
To maintain the old behaivour you need to have:
#ifndef SMP
if (mm != current->active_mm) {
mm->context = 0;
return;
}
#endif
in the start of flush_tlb_range().
-Tony
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next reply other threads:[~2005-10-27 18:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-27 18:41 Luck, Tony [this message]
2005-10-27 18:44 ` Dean Roe
-- strict thread matches above, loose matches on Subject: below --
2005-10-27 20:41 [PATCH] " Dean Roe
2005-10-27 16:01 [ PATCH ] " Luck, Tony
2005-10-27 18:31 ` Dean Roe
2005-10-14 19:55 Dean Roe
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=B8E391BBE9FE384DAA4C5C003888BE6F04CC08DF@scsmsx401.amr.corp.intel.com \
--to=tony.luck@intel.com \
--cc=linux-ia64@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=roe@sgi.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox