From: Con Kolivas <kernel@kolivas.org>
To: Felipe Alfaro Solana <felipe_alfaro@linuxmail.org>
Cc: linux kernel mailing list <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>, Ingo Molnar <mingo@elte.hu>,
gaxt <gaxt@rogers.com>, Mike Galbraith <efault@gmx.de>
Subject: [PATCH]O16.1int was Re: [PATCH] O16int for interactivity
Date: Sat, 16 Aug 2003 12:14:43 +1000 [thread overview]
Message-ID: <200308161214.43966.kernel@kolivas.org> (raw)
In-Reply-To: <1060974000.692.5.camel@teapot.felipe-alfaro.com>
[-- Attachment #1: Type: text/plain, Size: 325 bytes --]
On Sat, 16 Aug 2003 05:00, Felipe Alfaro Solana wrote:
> Well, I'm sorry to say there's something really wrong here with O16int.
> 2.6.0-test3-mm2 plus O16int takes exactly twice the time to boot than
Easy fix. Sorry about that. Here is an O16.1int patch. Backs out the selective
preemption by only interactive tasks.
Con
[-- Attachment #2: patch-O16-O16.1int --]
[-- Type: text/x-diff, Size: 455 bytes --]
--- linux-2.6.0-test3-mm2/kernel/sched.c 2003-08-16 12:01:38.000000000 +1000
+++ linux-2.6.0-test3-mm2-O16/kernel/sched.c 2003-08-16 12:11:03.000000000 +1000
@@ -566,8 +566,7 @@ repeat:
static inline int task_preempts_curr(task_t *p, runqueue_t *rq)
{
- if (p->prio < rq->curr->prio &&
- ((TASK_INTERACTIVE(p) && p->mm) || !p->mm)) {
+ if (p->prio < rq->curr->prio) {
/*
* Prevent a task preempting it's own waker
* to avoid starvation
next prev parent reply other threads:[~2003-08-16 2:08 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-15 15:49 [PATCH] O16int for interactivity Con Kolivas
2003-08-15 18:26 ` Timothy Miller
2003-08-15 18:45 ` Richard B. Johnson
2003-08-16 2:31 ` Con Kolivas
2003-08-18 15:46 ` Timothy Miller
2003-08-18 15:43 ` Nick Piggin
2003-08-18 19:48 ` Timothy Miller
2003-08-18 22:46 ` Nick Piggin
2003-08-15 19:00 ` Felipe Alfaro Solana
2003-08-16 2:14 ` Con Kolivas [this message]
2003-08-15 21:01 ` Mike Fedyk
2003-08-15 23:03 ` Scheduler activations (IIRC) question Jamie Lokier
2003-08-15 23:54 ` Mike Fedyk
2003-08-16 0:54 ` Jamie Lokier
2003-08-16 6:14 ` Mike Galbraith
2003-08-16 14:18 ` Jamie Lokier
2003-08-17 5:51 ` Mike Galbraith
2003-08-17 6:55 ` Jamie Lokier
2003-08-17 7:05 ` Nick Piggin
2003-08-17 8:34 ` Mike Galbraith
2003-08-17 17:12 ` Jamie Lokier
2003-08-17 17:15 ` Arjan van de Ven
2003-08-17 18:26 ` Jamie Lokier
2003-08-17 18:27 ` Mike Galbraith
2003-08-17 18:29 ` Jamie Lokier
2003-08-17 18:46 ` Jamie Lokier
2003-08-16 20:54 ` Ingo Oeser
2003-08-16 21:39 ` Jamie Lokier
[not found] ` <20030817144203.J670@nightmaster.csn.tu-chemnitz.de>
2003-08-17 20:02 ` Jamie Lokier
2003-08-18 0:23 ` William Lee Irwin III
2003-08-18 10:38 ` Ingo Oeser
2003-08-18 13:09 ` Jamie Lokier
2003-08-16 7:01 ` [PATCH] O16int for interactivity Con Kolivas
2003-08-18 10:08 ` Apurva Mehta
2003-08-18 10:30 ` Con Kolivas
2003-08-18 12:13 ` Apurva Mehta
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