[PATCH] Use directly kmalloc() and kfree() in init/initramfs.c

From: Thomas Petazzoni
Date: Fri Feb 15 2008 - 06:13:47 EST


Instead of using the malloc() and free() wrappers needed by the
lib/inflate.c code for allocations, simply use kmalloc() and kfree() in
the initramfs code. This is needed for a further lib/inflate.c-related
cleanup patch that will remove the malloc() and free() functions.

Based of work done by Matt Mackall <mpm@xxxxxxxxxxx>.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx>

---
init/initramfs.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)

Index: linux/init/initramfs.c
===================================================================
--- linux.orig/init/initramfs.c
+++ linux/init/initramfs.c
@@ -57,7 +57,7 @@
continue;
return (*p)->name;
}
- q = (struct hash *)malloc(sizeof(struct hash));
+ q = (struct hash *)kmalloc(sizeof(struct hash), GFP_KERNEL);
if (!q)
panic("can't allocate link hash entry");
q->major = major;
@@ -77,7 +77,7 @@
while (*p) {
q = *p;
*p = q->next;
- free(q);
+ kfree(q);
}
}
}
@@ -445,10 +445,10 @@
{
int written;
dry_run = check_only;
- header_buf = malloc(110);
- symlink_buf = malloc(PATH_MAX + N_ALIGN(PATH_MAX) + 1);
- name_buf = malloc(N_ALIGN(PATH_MAX));
- window = malloc(WSIZE);
+ header_buf = kmalloc(110, GFP_KERNEL);
+ symlink_buf = kmalloc(PATH_MAX + N_ALIGN(PATH_MAX) + 1, GFP_KERNEL);
+ name_buf = kmalloc(N_ALIGN(PATH_MAX), GFP_KERNEL);
+ window = kmalloc(WSIZE, GFP_KERNEL);
if (!window || !header_buf || !symlink_buf || !name_buf)
panic("can't allocate buffers");
state = Start;
@@ -484,10 +484,10 @@
buf += inptr;
len -= inptr;
}
- free(window);
- free(name_buf);
- free(symlink_buf);
- free(header_buf);
+ kfree(window);
+ kfree(name_buf);
+ kfree(symlink_buf);
+ kfree(header_buf);
return message;
}



--
Thomas Petazzoni, Free Electrons
Free Embedded Linux Training Materials
on http://free-electrons.com/training
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