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authorIngo Molnar <mingo@kernel.org>2018-07-25 11:47:02 +0200
committerIngo Molnar <mingo@kernel.org>2018-07-25 11:47:02 +0200
commit93081caaaed6a40a4f6d9b7ba3f581a4bb1d4404 (patch)
treef574201ba58ddf9e6264f463e613066cfc8532ba /arch/ia64
parent788faab70d5a882693286b8d5022779559c79904 (diff)
parent7f635ff187ab6be0b350b3ec06791e376af238ab (diff)
Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/ia64')
-rw-r--r--arch/ia64/kernel/perfmon.c6
-rw-r--r--arch/ia64/mm/init.c12
2 files changed, 6 insertions, 12 deletions
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 3b38c717008a..46bff1661836 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -2278,17 +2278,15 @@ pfm_smpl_buffer_alloc(struct task_struct *task, struct file *filp, pfm_context_t
DPRINT(("smpl_buf @%p\n", smpl_buf));
/* allocate vma */
- vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
+ vma = vm_area_alloc(mm);
if (!vma) {
DPRINT(("Cannot allocate vma\n"));
goto error_kmem;
}
- INIT_LIST_HEAD(&vma->anon_vma_chain);
/*
* partially initialize the vma for the sampling buffer
*/
- vma->vm_mm = mm;
vma->vm_file = get_file(filp);
vma->vm_flags = VM_READ|VM_MAYREAD|VM_DONTEXPAND|VM_DONTDUMP;
vma->vm_page_prot = PAGE_READONLY; /* XXX may need to change */
@@ -2346,7 +2344,7 @@ pfm_smpl_buffer_alloc(struct task_struct *task, struct file *filp, pfm_context_t
return 0;
error:
- kmem_cache_free(vm_area_cachep, vma);
+ vm_area_free(vma);
error_kmem:
pfm_rvfree(smpl_buf, size);
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 18278b448530..bdb14a369137 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -114,10 +114,8 @@ ia64_init_addr_space (void)
* the problem. When the process attempts to write to the register backing store
* for the first time, it will get a SEGFAULT in this case.
*/
- vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
+ vma = vm_area_alloc(current->mm);
if (vma) {
- INIT_LIST_HEAD(&vma->anon_vma_chain);
- vma->vm_mm = current->mm;
vma->vm_start = current->thread.rbs_bot & PAGE_MASK;
vma->vm_end = vma->vm_start + PAGE_SIZE;
vma->vm_flags = VM_DATA_DEFAULT_FLAGS|VM_GROWSUP|VM_ACCOUNT;
@@ -125,7 +123,7 @@ ia64_init_addr_space (void)
down_write(&current->mm->mmap_sem);
if (insert_vm_struct(current->mm, vma)) {
up_write(&current->mm->mmap_sem);
- kmem_cache_free(vm_area_cachep, vma);
+ vm_area_free(vma);
return;
}
up_write(&current->mm->mmap_sem);
@@ -133,10 +131,8 @@ ia64_init_addr_space (void)
/* map NaT-page at address zero to speed up speculative dereferencing of NULL: */
if (!(current->personality & MMAP_PAGE_ZERO)) {
- vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
+ vma = vm_area_alloc(current->mm);
if (vma) {
- INIT_LIST_HEAD(&vma->anon_vma_chain);
- vma->vm_mm = current->mm;
vma->vm_end = PAGE_SIZE;
vma->vm_page_prot = __pgprot(pgprot_val(PAGE_READONLY) | _PAGE_MA_NAT);
vma->vm_flags = VM_READ | VM_MAYREAD | VM_IO |
@@ -144,7 +140,7 @@ ia64_init_addr_space (void)
down_write(&current->mm->mmap_sem);
if (insert_vm_struct(current->mm, vma)) {
up_write(&current->mm->mmap_sem);
- kmem_cache_free(vm_area_cachep, vma);
+ vm_area_free(vma);
return;
}
up_write(&current->mm->mmap_sem);