linux-kernel - [PATCH v8 5/6] vmcore: Enable /proc/vmcore mmap for s390

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Message-Id: <1374594479-64671-6-git-send-email-holzheu@linux.vnet.ibm.com>
Date:	Tue, 23 Jul 2013 17:47:58 +0200
From:	Michael Holzheu <holzheu@...ux.vnet.ibm.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Vivek Goyal <vgoyal@...hat.com>
Cc:	HATAYAMA Daisuke <d.hatayama@...fujitsu.com>,
	Jan Willeke <willeke@...ibm.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	linux-kernel@...r.kernel.org, kexec@...ts.infradead.org
Subject: [PATCH v8 5/6] vmcore: Enable /proc/vmcore mmap for s390

The patch "s390/vmcore: Implement remap_oldmem_pfn_range for s390" allows
now to use mmap also on s390.

So enable mmap for s390 again.

Signed-off-by: Michael Holzheu <holzheu@...ux.vnet.ibm.com>
---
 fs/proc/vmcore.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 3f6cf0e..532808e 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -327,7 +327,7 @@ static inline char *alloc_elfnotes_buf(size_t notes_sz)
  * regions in the 1st kernel pointed to by PT_LOAD entries) into
  * virtually contiguous user-space in ELF layout.
  */
-#if defined(CONFIG_MMU) && !defined(CONFIG_S390)
+#ifdef CONFIG_MMU
 static int mmap_vmcore(struct file *file, struct vm_area_struct *vma)
 {
 	size_t size = vma->vm_end - vma->vm_start;
-- 
1.8.2.3

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