From: "Burman Yan" Cc: Andi Kleen Signed-off-by: Andrew Morton --- arch/i386/kernel/cpu/mtrr/if.c | 3 +-- arch/i386/kernel/cpu/mtrr/main.c | 6 ++---- 2 files changed, 3 insertions(+), 6 deletions(-) diff -puN arch/i386/kernel/cpu/mtrr/if.c~mtrr-replace-kmallocmemset-with-kzalloc arch/i386/kernel/cpu/mtrr/if.c --- a/arch/i386/kernel/cpu/mtrr/if.c~mtrr-replace-kmallocmemset-with-kzalloc +++ a/arch/i386/kernel/cpu/mtrr/if.c @@ -44,10 +44,9 @@ mtrr_file_add(unsigned long base, unsign 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 -puN arch/i386/kernel/cpu/mtrr/main.c~mtrr-replace-kmallocmemset-with-kzalloc arch/i386/kernel/cpu/mtrr/main.c --- a/arch/i386/kernel/cpu/mtrr/main.c~mtrr-replace-kmallocmemset-with-kzalloc +++ a/arch/i386/kernel/cpu/mtrr/main.c @@ -596,10 +596,8 @@ static int mtrr_save(struct sys_device * 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++) { _