[RFC PATCH v1 0/9] freezer: Introduce freeze priority model to address process dependency issues · Zihuan Zhang <hidden> · 2025-08-07
[RFC PATCH v1 1/9] freezer: Introduce freeze_priority field in task_struct · Zihuan Zhang <hidden> · 2025-08-07
[RFC PATCH v1 2/9] freezer: Introduce API to set per-task freeze priority · Zihuan Zhang <hidden> · 2025-08-07
[RFC PATCH v1 3/9] freezer: Add per-priority layered freeze logic · Zihuan Zhang <hidden> · 2025-08-07
[RFC PATCH v1 4/9] freezer: Set default freeze priority for userspace tasks · Zihuan Zhang <hidden> · 2025-08-07
[RFC PATCH v1 5/9] freezer: set default freeze priority for PF_SUSPEND_TASK processes · Zihuan Zhang <hidden> · 2025-08-07
Re: [RFC PATCH v1 5/9] freezer: set default freeze priority for PF_SUSPEND_TASK processes · Oleg Nesterov <oleg@redhat.com> · 2025-08-08
Re: [RFC PATCH v1 5/9] freezer: set default freeze priority for PF_SUSPEND_TASK processes · Zihuan Zhang <hidden> · 2025-08-11
Re: [RFC PATCH v1 5/9] freezer: set default freeze priority for PF_SUSPEND_TASK processes · Oleg Nesterov <oleg@redhat.com> · 2025-08-11
Re: [RFC PATCH v1 5/9] freezer: set default freeze priority for PF_SUSPEND_TASK processes · Zihuan Zhang <hidden> · 2025-08-11
Re: [RFC PATCH v1 5/9] freezer: set default freeze priority for PF_SUSPEND_TASK processes · Oleg Nesterov <oleg@redhat.com> · 2025-08-11
Re: [RFC PATCH v1 5/9] freezer: set default freeze priority for PF_SUSPEND_TASK processes · Zihuan Zhang <hidden> · 2025-08-11
[RFC PATCH v1 6/9] freezer: Set default freeze priority for zombie tasks · Zihuan Zhang <hidden> · 2025-08-07
Re: [RFC PATCH v1 6/9] freezer: Set default freeze priority for zombie tasks · Oleg Nesterov <oleg@redhat.com> · 2025-08-08
Re: [RFC PATCH v1 6/9] freezer: Set default freeze priority for zombie tasks · Zihuan Zhang <hidden> · 2025-08-11
Re: [RFC PATCH v1 6/9] freezer: Set default freeze priority for zombie tasks · Oleg Nesterov <oleg@redhat.com> · 2025-08-11
Re: [RFC PATCH v1 6/9] freezer: Set default freeze priority for zombie tasks · Zihuan Zhang <hidden> · 2025-08-12
[RFC PATCH v1 7/9] freezer: raise freeze priority of tasks failed to freeze last time · Zihuan Zhang <hidden> · 2025-08-07
Re: [RFC PATCH v1 7/9] freezer: raise freeze priority of tasks failed to freeze last time · Oleg Nesterov <oleg@redhat.com> · 2025-08-08
Re: [RFC PATCH v1 7/9] freezer: raise freeze priority of tasks failed to freeze last time · Zihuan Zhang <hidden> · 2025-08-11
[RFC PATCH v1 8/9] freezer: Add retry count statistics for freeze pass iterations · Zihuan Zhang <hidden> · 2025-08-07
[RFC PATCH v1 9/9] proc: Add /proc/<pid>/freeze_priority interface · Zihuan Zhang <hidden> · 2025-08-07
Re: [RFC PATCH v1 0/9] freezer: Introduce freeze priority model to address process dependency issues · Michal Hocko <mhocko@suse.com> · 2025-08-07
Re: [RFC PATCH v1 0/9] freezer: Introduce freeze priority model to address process dependency issues · Zihuan Zhang <hidden> · 2025-08-08
Re: [RFC PATCH v1 0/9] freezer: Introduce freeze priority model to address process dependency issues · Michal Hocko <mhocko@suse.com> · 2025-08-08
Re: [RFC PATCH v1 0/9] freezer: Introduce freeze priority model to address process dependency issues · Zihuan Zhang <hidden> · 2025-08-08
Re: [RFC PATCH v1 0/9] freezer: Introduce freeze priority model to address process dependency issues · Michal Hocko <mhocko@suse.com> · 2025-08-08
Re: [RFC PATCH v1 0/9] freezer: Introduce freeze priority model to address process dependency issues · Zihuan Zhang <hidden> · 2025-08-11
Re: [RFC PATCH v1 0/9] freezer: Introduce freeze priority model to address process dependency issues · Michal Hocko <mhocko@suse.com> · 2025-08-11
Re: [RFC PATCH v1 0/9] freezer: Introduce freeze priority model to address process dependency issues · Zihuan Zhang <hidden> · 2025-08-12
Re: [RFC PATCH v1 0/9] freezer: Introduce freeze priority model to address process dependency issues · "Darrick J. Wong" <djwong@kernel.org> · 2025-08-12
Re: [RFC PATCH v1 0/9] freezer: Introduce freeze priority model to address process dependency issues · Zihuan Zhang <hidden> · 2025-08-13
Re: [RFC PATCH v1 0/9] freezer: Introduce freeze priority model to address process dependency issues · "Darrick J. Wong" <djwong@kernel.org> · 2025-08-14
Re: [RFC PATCH v1 0/9] freezer: Introduce freeze priority model to address process dependency issues · Zihuan Zhang <hidden> · 2025-08-15
Re: [RFC PATCH v1 0/9] freezer: Introduce freeze priority model to address process dependency issues · Oleg Nesterov <oleg@redhat.com> · 2025-08-08
Re: [RFC PATCH v1 0/9] freezer: Introduce freeze priority model to address process dependency issues · Zihuan Zhang <hidden> · 2025-08-08
Re: [RFC PATCH v1 0/9] freezer: Introduce freeze priority model to address process dependency issues · Peter Zijlstra <peterz@infradead.org> · 2025-08-14
Re: [RFC PATCH v1 0/9] freezer: Introduce freeze priority model to address process dependency issues · Zihuan Zhang <hidden> · 2025-08-15

Re: [RFC PATCH v1 0/9] freezer: Introduce freeze priority model to address process dependency issues

From: Peter Zijlstra <peterz@infradead.org>
Date: 2025-08-14 14:37:51
Also in: linux-fsdevel, linux-mm, linux-pm, lkml

On Thu, Aug 07, 2025 at 08:14:09PM +0800, Zihuan Zhang wrote:

Freeze Window Begins

    [process A] - epoll_wait()
        │
        ▼
    [process B] - event source (already frozen)

Can we make epoll_wait() TASK_FREEZABLE? AFAICT it doesn't hold any
resources, it just sits there waiting for stuff.

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