linux-kernel - [PATCH v2] ipc: Adding new return type vm_fault

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Message-ID: <20180425043413.GA21467@jordon-HP-15-Notebook-PC>
Date:   Wed, 25 Apr 2018 10:04:13 +0530
From:   Souptick Joarder <jrdr.linux@...il.com>
To:     akpm@...ux-foundation.org, viro@...iv.linux.org.uk,
        manfred@...orfullife.com, dave@...olabs.net, ebiederm@...ssion.com,
        linux@...inikbrodowski.net
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH v2] ipc: Adding new return type vm_fault_t

Use new return type vm_fault_t for fault handler. For
now, this is just documenting that the function returns
a VM_FAULT value rather than an errno. Once all instances
are converted, vm_fault_t will become a distinct type.

Commit 1c8f422059ae ("mm: change return type to vm_fault_t")

Signed-off-by: Souptick Joarder <jrdr.linux@...il.com>
Reviewed-by: Matthew Wilcox <mawilcox@...rosoft.com>
---
v2: Updated the change log

 ipc/shm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ipc/shm.c b/ipc/shm.c
index 4643865..2ba0cfc 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -378,7 +378,7 @@ void exit_shm(struct task_struct *task)
 	up_write(&shm_ids(ns).rwsem);
 }
 
-static int shm_fault(struct vm_fault *vmf)
+static vm_fault_t shm_fault(struct vm_fault *vmf)
 {
 	struct file *file = vmf->vma->vm_file;
 	struct shm_file_data *sfd = shm_file_data(file);
-- 
1.9.1