The patch titled
drivers/char/mspec.c: use {k,v}zalloc to allocate memory
has been added to the -mm tree. Its filename is
drivers-char-mspecc-use-kvzalloc-to-allocate-memory.patch
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: drivers/char/mspec.c: use {k,v}zalloc to allocate memory
From: Rakib Mullick <rakib.mullick@xxxxxxxxx>
Let memory allocator initialize the allocated memory as null, thus remove
the use of memset.
Signed-off-by: Rakib Mullick <rakib.mullick@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/char/mspec.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff -puN drivers/char/mspec.c~drivers-char-mspecc-use-kvzalloc-to-allocate-memory drivers/char/mspec.c
--- a/drivers/char/mspec.c~drivers-char-mspecc-use-kvzalloc-to-allocate-memory
+++ a/drivers/char/mspec.c
@@ -271,14 +271,13 @@ mspec_mmap(struct file *file, struct vm_
pages = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
vdata_size = sizeof(struct vma_data) + pages * sizeof(long);
if (vdata_size <= PAGE_SIZE)
- vdata = kmalloc(vdata_size, GFP_KERNEL);
+ vdata = kzalloc(vdata_size, GFP_KERNEL);
else {
- vdata = vmalloc(vdata_size);
+ vdata = vzalloc(vdata_size);
flags = VMD_VMALLOCED;
}
if (!vdata)
return -ENOMEM;
- memset(vdata, 0, vdata_size);
vdata->vm_start = vma->vm_start;
vdata->vm_end = vma->vm_end;
_
Patches currently in -mm which might be from rakib.mullick@xxxxxxxxx are
linux-next.patch
drivers-char-mspecc-use-kvzalloc-to-allocate-memory.patch
kernel-profilec-use-vzalloc-instead-of-vmallocmemset.patch
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