[PATCH] x86-64: replace kmalloc+memset with kzalloc in MTRR code

Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Andi Kleen <ak@suse.de>

diff --git a/arch/i386/kernel/cpu/mtrr/if.c b/arch/i386/kernel/cpu/mtrr/if.c
index 9753bc6..5ae1705 100644 (file)
--- a/arch/i386/kernel/cpu/mtrr/if.c
+++ b/arch/i386/kernel/cpu/mtrr/if.c
@@ -44,10 +44,9 @@ mtrr_file_add(unsigned long base, unsigned long size,
 
        max = num_var_ranges;
        if (fcount == NULL) {
-               fcount = kmalloc(max * sizeof *fcount, GFP_KERNEL);
+               fcount = kzalloc(max * sizeof *fcount, GFP_KERNEL);
                if (!fcount)
                        return -ENOMEM;
-               memset(fcount, 0, max * sizeof *fcount);
                FILE_FCOUNT(file) = fcount;
        }
        if (!page) {

diff --git a/arch/i386/kernel/cpu/mtrr/main.c b/arch/i386/kernel/cpu/mtrr/main.c
index aeea23e..16bb7ea 100644 (file)
--- a/arch/i386/kernel/cpu/mtrr/main.c
+++ b/arch/i386/kernel/cpu/mtrr/main.c
@@ -596,10 +596,8 @@ static int mtrr_save(struct sys_device * sysdev, pm_message_t state)
        int i;
        int size = num_var_ranges * sizeof(struct mtrr_value);
 
-       mtrr_state = kmalloc(size,GFP_ATOMIC);
-       if (mtrr_state)
-               memset(mtrr_state,0,size);
-       else
+       mtrr_state = kzalloc(size,GFP_ATOMIC);
+       if (!mtrr_state)
                return -ENOMEM;
 
        for (i = 0; i < num_var_ranges; i++) {