linux-kernel - [PATCH 9/9] exec_path 9/9: remove VM

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Date:	Thu, 4 Jun 2009 03:08:10 +0400
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Matt Helsley <matthltc@...ibm.com>, xemul@...allels.com,
	containers@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org, dave@...ux.vnet.ibm.com,
	mingo@...e.hu, torvalds@...ux-foundation.org,
	linux-fsdevel@...r.kernel.org
Subject: [PATCH 9/9] exec_path 9/9: remove VM_EXECUTABLE

Noone uses VM_EXECUTABLE now, binfmt loaders set ->exec_path by hand
and MAP_EXECUTABLE is ignored from userland.

Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
---
 include/linux/mm.h   |    1 -
 include/linux/mman.h |    1 -
 2 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index b3b61a6..79854af 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -82,7 +82,6 @@ extern unsigned int kobjsize(const void *objp);
 #define VM_PFNMAP	0x00000400	/* Page-ranges managed without "struct page", just pure PFN */
 #define VM_DENYWRITE	0x00000800	/* ETXTBSY on write attempts.. */
 
-#define VM_EXECUTABLE	0x00001000
 #define VM_LOCKED	0x00002000
 #define VM_IO           0x00004000	/* Memory mapped I/O or similar */
 
diff --git a/include/linux/mman.h b/include/linux/mman.h
index 9872d6c..1a01871 100644
--- a/include/linux/mman.h
+++ b/include/linux/mman.h
@@ -86,7 +86,6 @@ calc_vm_flag_bits(unsigned long flags)
 {
 	return _calc_vm_trans(flags, MAP_GROWSDOWN,  VM_GROWSDOWN ) |
 	       _calc_vm_trans(flags, MAP_DENYWRITE,  VM_DENYWRITE ) |
-	       _calc_vm_trans(flags, MAP_EXECUTABLE, VM_EXECUTABLE) |
 	       _calc_vm_trans(flags, MAP_LOCKED,     VM_LOCKED    );
 }
 #endif /* __KERNEL__ */
--
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