Messages in this thread Patches in this message | | | Date | Fri, 24 May 2002 18:02:23 +0200 | From | "J.A. Magallon" <> | Subject | Re: [PATCH] updated O(1) scheduler for 2.4 |
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On 2002.05.21 Robert Love wrote: >Updated versions of the O(1) scheduler for 2.4 are available at: > >http://www.kernel.org/pub/linux/kernel/people/rml/sched/ingo-O1/sched-O1-rml-2.4.18-4.patch >http://www.kernel.org/pub/linux/kernel/people/rml/sched/ingo-O1/sched-O1-rml-2.4.19-pre8-1.patch > >for 2.4.18 and 2.4.19-pre8. Please use a mirror. > >These patches include all included and pending bits from 2.4-ac and 2.5 >as well as my user-configurable maximum RT priority patch. This is more >up-to-date than any other tree, in fact. ;-) >
I had to make this to get it built:
diff -urN linux-2.4.19-pre7/init/do_mounts.c linux/init/do_mounts.c --- linux-2.4.19-pre7/init/do_mounts.c Sat Apr 20 20:50:36 2002 +++ linux/init/do_mounts.c Mon Apr 22 14:18:20 2002 @@ -774,10 +774,8 @@ pid = kernel_thread(do_linuxrc, "/linuxrc", SIGCHLD); if (pid > 0) { - while (pid != wait(&i)) { - current->policy |= SCHED_YIELD; - schedule(); - } + while (pid != wait(&i)) + yield(); } sys_mount("..", ".", NULL, MS_MOVE, NULL); diff -urN linux-2.4.19-pre7/arch/m68k/mm/fault.c linux/arch/m68k/mm/fault.c --- linux-2.4.19-pre7/arch/m68k/mm/fault.c Sat Apr 20 20:50:47 2002 +++ linux/arch/m68k/mm/fault.c Mon Apr 22 14:19:29 2002 @@ -181,8 +181,7 @@ out_of_memory: up_read(&mm->mmap_sem); if (current->pid == 1) { - current->policy |= SCHED_YIELD; - schedule(); + yield(); down_read(&mm->mmap_sem); goto survive; } diff -urN linux-2.4.19-pre7/arch/mips/mm/fault.c linux/arch/mips/mm/fault.c --- linux-2.4.19-pre7/arch/mips/mm/fault.c Sat Apr 20 20:50:46 2002 +++ linux/arch/mips/mm/fault.c Mon Apr 22 14:19:15 2002 @@ -211,8 +211,7 @@ out_of_memory: up_read(&mm->mmap_sem); if (tsk->pid == 1) { - tsk->policy |= SCHED_YIELD; - schedule(); + yield(); down_read(&mm->mmap_sem); goto survive; } diff -urN linux-2.4.19-pre7/arch/mips64/mm/fault.c linux/arch/mips64/mm/fault.c --- linux-2.4.19-pre7/arch/mips64/mm/fault.c Sat Apr 20 20:50:47 2002 +++ linux/arch/mips64/mm/fault.c Mon Apr 22 14:19:55 2002 @@ -240,8 +240,7 @@ out_of_memory: up_read(&mm->mmap_sem); if (tsk->pid == 1) { - tsk->policy |= SCHED_YIELD; - schedule(); + yield(); down_read(&mm->mmap_sem); goto survive; }
and this to shut up gcc-3.1 about trying to EXPORT_ or use something undeclared:
--- linux-2.4.19-pre8-jam4/include/linux/sched.h.orig 2002-05-24 16:56:16.000000000 +0200 +++ linux-2.4.19-pre8-jam4/include/linux/sched.h 2002-05-24 17:02:12.000000000 +0200 @@ -644,6 +644,8 @@ extern void FASTCALL(interruptible_sleep_on(wait_queue_head_t *q)); extern long FASTCALL(interruptible_sleep_on_timeout(wait_queue_head_t *q, signed long timeout)); +extern int FASTCALL(wake_up_process(task_t * p)); +extern void FASTCALL(wake_up_forked_process(task_t * p)); #define wake_up(x) __wake_up((x),TASK_UNINTERRUPTIBLE | TASK_INTERRUPTIBLE, 1) #define wake_up_nr(x, nr) __wake_up((x),TASK_UNINTERRUPTIBLE | TASK_INTERRUPTIBLE, nr)
-- J.A. Magallon # Let the source be with you... mailto:jamagallon@able.es Mandrake Linux release 8.3 (Cooker) for i586 Linux werewolf 2.4.19-pre8-jam4 #4 SMP vie may 24 17:02:32 CEST 2002 i686 - 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/
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