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[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>
This commit is contained in:
Jesper Juhl 2010-10-30 21:35:58 +02:00 committed by Tony Luck
parent 75c1c91cb9
commit e21763dbce
1 changed files with 1 additions and 2 deletions
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3
arch/ia64/kernel/perfmon.c
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@ -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);