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Subject[PATCH] AMD Microcode: Prefer vzalloc() over calls to vmalloc()+memset()
Hi,

We don't have to do memset() ourselves after vmalloc() when we have
vzalloc(), so change that in
arch/x86/kernel/microcode_amd.c::get_next_ucode().

Please CC me on replies.


Signed-off-by: Jesper Juhl <jj@chaosbits.net>
---
compile tested only.

microcode_amd.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index e1af7c0..d46e805 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -183,9 +183,8 @@ get_next_ucode(const u8 *buf, unsigned int size, unsigned int *mc_size)
return NULL;
}

- mc = vmalloc(UCODE_MAX_SIZE);
+ mc = vzalloc(UCODE_MAX_SIZE);
if (mc) {
- memset(mc, 0, UCODE_MAX_SIZE);
if (get_ucode_data(mc, buf + UCODE_CONTAINER_SECTION_HDR,
total_size)) {
vfree(mc);

--
Jesper Juhl <jj@chaosbits.net> http://www.chaosbits.net/
Plain text mails only, please http://www.expita.com/nomime.html
Don't top-post http://www.catb.org/~esr/jargon/html/T/top-post.html



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