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authorAl Viro <viro@zeniv.linux.org.uk>2009-11-30 17:37:04 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2009-12-11 06:44:29 -0500
commitf8b7256096a20436f6d0926747e3ac3d64c81d24 (patch)
tree18bcabd1de263bd2d0f8d6b763bde8b037716c5c /arch/blackfin/kernel
parent0067bd8a55862ac9dd212bd1c4f6f5bff1ca1301 (diff)
Unify sys_mmap*
New helper - sys_mmap_pgoff(); switch syscalls to using it. Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/blackfin/kernel')
-rw-r--r--arch/blackfin/kernel/sys_bfin.c33
1 files changed, 0 insertions, 33 deletions
diff --git a/arch/blackfin/kernel/sys_bfin.c b/arch/blackfin/kernel/sys_bfin.c
index afcef129d4e8..2e7f8e10bf87 100644
--- a/arch/blackfin/kernel/sys_bfin.c
+++ b/arch/blackfin/kernel/sys_bfin.c
@@ -22,39 +22,6 @@
22#include <asm/cacheflush.h> 22#include <asm/cacheflush.h>
23#include <asm/dma.h> 23#include <asm/dma.h>
24 24
25/* common code for old and new mmaps */
26static inline long
27do_mmap2(unsigned long addr, unsigned long len,
28 unsigned long prot, unsigned long flags,
29 unsigned long fd, unsigned long pgoff)
30{
31 int error = -EBADF;
32 struct file *file = NULL;
33
34 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
35 if (!(flags & MAP_ANONYMOUS)) {
36 file = fget(fd);
37 if (!file)
38 goto out;
39 }
40
41 down_write(&current->mm->mmap_sem);
42 error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
43 up_write(&current->mm->mmap_sem);
44
45 if (file)
46 fput(file);
47 out:
48 return error;
49}
50
51asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
52 unsigned long prot, unsigned long flags,
53 unsigned long fd, unsigned long pgoff)
54{
55 return do_mmap2(addr, len, prot, flags, fd, pgoff);
56}
57
58asmlinkage void *sys_sram_alloc(size_t size, unsigned long flags) 25asmlinkage void *sys_sram_alloc(size_t size, unsigned long flags)
59{ 26{
60 return sram_alloc_with_lsl(size, flags); 27 return sram_alloc_with_lsl(size, flags);