linux-kernel - [PATCH] mm: Conveted to use vm_fault

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Message-ID: <20180828174952.GA29229@jordon-HP-15-Notebook-PC>
Date:   Tue, 28 Aug 2018 23:21:54 +0530
From:   Souptick Joarder <jrdr.linux@...il.com>
To:     akpm@...ux-foundation.org, jack@...e.cz,
        mgorman@...hsingularity.net, ak@...ux.intel.com,
        mawilcox@...rosoft.com, tim.c.chen@...ux.intel.com,
        ross.zwisler@...ux.intel.com
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: [PATCH] mm: Conveted to use vm_fault_t

As part of vm_fault_t conversion filemap_page_mkwrite()
for NOMMU case was missed. Now converted.

Signed-off-by: Souptick Joarder <jrdr.linux@...il.com>
---
 mm/filemap.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/filemap.c b/mm/filemap.c
index 52517f2..de6fed2 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2748,9 +2748,9 @@ int generic_file_readonly_mmap(struct file *file, struct vm_area_struct *vma)
 	return generic_file_mmap(file, vma);
 }
 #else
-int filemap_page_mkwrite(struct vm_fault *vmf)
+vm_fault_t filemap_page_mkwrite(struct vm_fault *vmf)
 {
-	return -ENOSYS;
+	return VM_FAULT_SIGBUS;
 }
 int generic_file_mmap(struct file * file, struct vm_area_struct * vma)
 {
-- 
1.9.1