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perfmon: kill some helpers and arguments

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pfm_vm_munmap() is simply vm_munmap() and pfm_remove_smpl_mapping()
always get current as the first argument.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-04-20 21:53:35 -04:00
parent 936af1576e
commit 9f3a4afb27
1 changed files with 4 additions and 9 deletions
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13
arch/ia64/kernel/perfmon.c
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@ -604,12 +604,6 @@ pfm_unprotect_ctx_ctxsw(pfm_context_t *x, unsigned long f)
spin_unlock(&(x)->ctx_lock);
}
static inline unsigned int
pfm_vm_munmap(struct mm_struct *mm, unsigned long addr, size_t len)
{
return vm_munmap(mm, addr, len);
}
static inline unsigned long
pfm_get_unmapped_area(struct file *file, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags, unsigned long exec)
{
@ -1458,8 +1452,9 @@ pfm_unreserve_session(pfm_context_t *ctx, int is_syswide, unsigned int cpu)
* a PROTECT_CTX() section.
*/
static int
pfm_remove_smpl_mapping(struct task_struct *task, void *vaddr, unsigned long size)
pfm_remove_smpl_mapping(void *vaddr, unsigned long size)
{
struct task_struct *task = current;
int r;
/* sanity checks */
@ -1473,7 +1468,7 @@ pfm_remove_smpl_mapping(struct task_struct *task, void *vaddr, unsigned long siz
/*
* does the actual unmapping
*/
r = pfm_vm_munmap(task->mm, (unsigned long)vaddr, size);
r = vm_munmap(current->mm, (unsigned long)vaddr, size);
if (r !=0) {
printk(KERN_ERR "perfmon: [%d] unable to unmap sampling buffer @%p size=%lu\n", task_pid_nr(task), vaddr, size);
@ -1940,7 +1935,7 @@ pfm_flush(struct file *filp, fl_owner_t id)
* because some VM function reenables interrupts.
*
*/
if (smpl_buf_vaddr) pfm_remove_smpl_mapping(current, smpl_buf_vaddr, smpl_buf_size);
if (smpl_buf_vaddr) pfm_remove_smpl_mapping(smpl_buf_vaddr, smpl_buf_size);
return 0;
}