[IA64] perfmon: Change vmalloc to vzalloc and drop memset.

vzalloc() nicely zeroes memory for us, so we don't have to do a vmalloc()
and then manually memset() the returned memory when all we want is for it
to be zero. Patch changes this for pfm_rvmalloc().

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 39e534f5a3b0..3aee09d2c2de 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -829,10 +829,9 @@ pfm_rvmalloc(unsigned long size)
         unsigned long addr;
 
         size = PAGE_ALIGN(size);
-        mem  = vmalloc(size);
+        mem  = vzalloc(size);
         if (mem) {
                 //printk("perfmon: CPU%d pfm_rvmalloc(%ld)=%p\n", smp_processor_id(), size, mem);
-                memset(mem, 0, size);
                 addr = (unsigned long)mem;
                 while (size > 0) {
                         pfm_reserve_page(addr);