linux-kernel - [tip: sched/core] sched: remove task_struct->faults_disabled

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Message-ID: <176907692904.510.7738554528615146662.tip-bot2@tip-bot2>
Date: Thu, 22 Jan 2026 10:15:29 -0000
From: "tip-bot2 for Christoph Hellwig" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Christoph Hellwig <hch@....de>,
 "Peter Zijlstra (Intel)" <peterz@...radead.org>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: sched/core] sched: remove task_struct->faults_disabled_mapping

The following commit has been merged into the sched/core branch of tip:

Commit-ID:     377521af0341083bc9d196cf021ec7265dc47c20
Gitweb:        https://git.kernel.org/tip/377521af0341083bc9d196cf021ec7265dc47c20
Author:        Christoph Hellwig <hch@....de>
AuthorDate:    Thu, 22 Jan 2026 09:52:23 +01:00
Committer:     Peter Zijlstra <peterz@...radead.org>
CommitterDate: Thu, 22 Jan 2026 11:11:21 +01:00

sched: remove task_struct->faults_disabled_mapping

This reverts commit 2b69987be575 ("sched: Add
task_struct->faults_disabled_mapping"), which added this field without
review or maintainer signoff.  With bcachefs removed from the
tree it is also unused now.

Signed-off-by: Christoph Hellwig <hch@....de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Link: https://patch.msgid.link/20260122085223.487092-1-hch@lst.de
---
 include/linux/sched.h | 1 -
 init/init_task.c      | 1 -
 2 files changed, 2 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index bf96a7d..71654e3 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -955,7 +955,6 @@ struct task_struct {
 
 	struct mm_struct		*mm;
 	struct mm_struct		*active_mm;
-	struct address_space		*faults_disabled_mapping;
 
 	int				exit_state;
 	int				exit_code;
diff --git a/init/init_task.c b/init/init_task.c
index 49b13d7..7d9094a 100644
--- a/init/init_task.c
+++ b/init/init_task.c
@@ -113,7 +113,6 @@ struct task_struct init_task __aligned(L1_CACHE_BYTES) = {
 	.nr_cpus_allowed= NR_CPUS,
 	.mm		= NULL,
 	.active_mm	= &init_mm,
-	.faults_disabled_mapping = NULL,
 	.restart_block	= {
 		.fn = do_no_restart_syscall,
 	},