Messages in this thread Patch in this message | | | From | Nigel Cunningham <> | Subject | [ 11/23] [Suspend2] Modify freezeable for freezing kernel threads separately. | Date | Thu, 26 Jan 2006 13:45:50 +1000 |
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Modify freezeable so that it takes an extra argument indicating whether we are interested in all threads, or just userspace ones, and ignores threads that are already in the refrigerator.
Signed-off-by: Nigel Cunningham <nigel@suspend2.net>
kernel/power/process.c | 14 ++++++++++++-- 1 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/kernel/power/process.c b/kernel/power/process.c index 0e377ed..444a163 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c @@ -98,14 +98,24 @@ int freezer_make_fses_ro(void) return 0; } -static inline int freezeable(struct task_struct * p) +/* + * freezeable + * + * Description: Determine whether a process should be frozen yet. + * Parameters: struct task_struct * The process to consider. + * int Boolean - 0 = userspace else all. + * Returns: int 0 if don't freeze yet, otherwise do. + */ +static int freezeable(struct task_struct * p, int all_freezable) { if ((p == current) || + (p->flags & PF_FROZEN) || (p->flags & PF_NOFREEZE) || (p->exit_state == EXIT_ZOMBIE) || (p->exit_state == EXIT_DEAD) || (p->state == TASK_STOPPED) || - (p->state == TASK_TRACED)) + (p->state == TASK_TRACED) || + (!p->mm && !all_freezable)) return 0; return 1; } -- Nigel Cunningham nigel at suspend2 dot net - 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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