gmap allocations can be attributed to a process.
Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
Acked-by: Heiko Carstens <hca@xxxxxxxxxxxxx>
Acked-by: Janosch Frank <frankja@xxxxxxxxxxxxx>
Acked-by: Cornelia Huck <cohuck@xxxxxxxxxx>
---
arch/s390/mm/gmap.c | 30 +++++++++++++++---------------
1 file changed, 15 insertions(+), 15 deletions(-)
diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c
index cfb0017f33a7..0160ac97a27d 100644
--- a/arch/s390/mm/gmap.c
+++ b/arch/s390/mm/gmap.c
@@ -2,7 +2,7 @@
/*
* KVM guest address space mapping code
*
- * Copyright IBM Corp. 2007, 2016, 2018
+ * Copyright IBM Corp. 2007, 2020
* Author(s): Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
* David Hildenbrand <david@xxxxxxxxxx>
* Janosch Frank <frankja@xxxxxxxxxxxxxxxxxx>
@@ -56,19 +56,19 @@ static struct gmap *gmap_alloc(unsigned long limit)
atype = _ASCE_TYPE_REGION1;
etype = _REGION1_ENTRY_EMPTY;
}
- gmap = kzalloc(sizeof(struct gmap), GFP_KERNEL);
+ gmap = kzalloc(sizeof(struct gmap), GFP_KERNEL_ACCOUNT);
if (!gmap)
goto out;
INIT_LIST_HEAD(&gmap->crst_list);
INIT_LIST_HEAD(&gmap->children);
INIT_LIST_HEAD(&gmap->pt_list);
- INIT_RADIX_TREE(&gmap->guest_to_host, GFP_KERNEL);
- INIT_RADIX_TREE(&gmap->host_to_guest, GFP_ATOMIC);
- INIT_RADIX_TREE(&gmap->host_to_rmap, GFP_ATOMIC);
+ INIT_RADIX_TREE(&gmap->guest_to_host, GFP_KERNEL_ACCOUNT);
+ INIT_RADIX_TREE(&gmap->host_to_guest, GFP_ATOMIC | __GFP_ACCOUNT);
+ INIT_RADIX_TREE(&gmap->host_to_rmap, GFP_ATOMIC | __GFP_ACCOUNT);
spin_lock_init(&gmap->guest_table_lock);
spin_lock_init(&gmap->shadow_lock);
refcount_set(&gmap->ref_count, 1);
- page = alloc_pages(GFP_KERNEL, CRST_ALLOC_ORDER);
+ page = alloc_pages(GFP_KERNEL_ACCOUNT, CRST_ALLOC_ORDER);
if (!page)
goto out_free;
page->index = 0;
@@ -309,7 +309,7 @@ static int gmap_alloc_table(struct gmap *gmap, unsigned long *table,
unsigned long *new;
/* since we dont free the gmap table until gmap_free we can unlock */
- page = alloc_pages(GFP_KERNEL, CRST_ALLOC_ORDER);
+ page = alloc_pages(GFP_KERNEL_ACCOUNT, CRST_ALLOC_ORDER);
if (!page)
return -ENOMEM;
new = (unsigned long *) page_to_phys(page);
@@ -594,7 +594,7 @@ int __gmap_link(struct gmap *gmap, unsigned long gaddr, unsigned long vmaddr)
if (pmd_large(*pmd) && !gmap->mm->context.allow_gmap_hpage_1m)
return -EFAULT;
/* Link gmap segment table entry location to page table. */
- rc = radix_tree_preload(GFP_KERNEL);
+ rc = radix_tree_preload(GFP_KERNEL_ACCOUNT);
if (rc)
return rc;
ptl = pmd_lock(mm, pmd);
@@ -1218,11 +1218,11 @@ static int gmap_protect_rmap(struct gmap *sg, unsigned long raddr,
vmaddr = __gmap_translate(parent, paddr);
if (IS_ERR_VALUE(vmaddr))
return vmaddr;
- rmap = kzalloc(sizeof(*rmap), GFP_KERNEL);
+ rmap = kzalloc(sizeof(*rmap), GFP_KERNEL_ACCOUNT);
if (!rmap)
return -ENOMEM;
rmap->raddr = raddr;
- rc = radix_tree_preload(GFP_KERNEL);
+ rc = radix_tree_preload(GFP_KERNEL_ACCOUNT);
if (rc) {
kfree(rmap);
return rc;
@@ -1741,7 +1741,7 @@ int gmap_shadow_r2t(struct gmap *sg, unsigned long saddr, unsigned long r2t,
BUG_ON(!gmap_is_shadow(sg));
/* Allocate a shadow region second table */
- page = alloc_pages(GFP_KERNEL, CRST_ALLOC_ORDER);
+ page = alloc_pages(GFP_KERNEL_ACCOUNT, CRST_ALLOC_ORDER);
if (!page)
return -ENOMEM;
page->index = r2t & _REGION_ENTRY_ORIGIN;
@@ -1825,7 +1825,7 @@ int gmap_shadow_r3t(struct gmap *sg, unsigned long saddr, unsigned long r3t,
BUG_ON(!gmap_is_shadow(sg));
/* Allocate a shadow region second table */
- page = alloc_pages(GFP_KERNEL, CRST_ALLOC_ORDER);
+ page = alloc_pages(GFP_KERNEL_ACCOUNT, CRST_ALLOC_ORDER);
if (!page)
return -ENOMEM;
page->index = r3t & _REGION_ENTRY_ORIGIN;
@@ -1909,7 +1909,7 @@ int gmap_shadow_sgt(struct gmap *sg, unsigned long saddr, unsigned long sgt,
BUG_ON(!gmap_is_shadow(sg) || (sgt & _REGION3_ENTRY_LARGE));
/* Allocate a shadow segment table */
- page = alloc_pages(GFP_KERNEL, CRST_ALLOC_ORDER);
+ page = alloc_pages(GFP_KERNEL_ACCOUNT, CRST_ALLOC_ORDER);
if (!page)
return -ENOMEM;
page->index = sgt & _REGION_ENTRY_ORIGIN;
@@ -2116,7 +2116,7 @@ int gmap_shadow_page(struct gmap *sg, unsigned long saddr, pte_t pte)
parent = sg->parent;
prot = (pte_val(pte) & _PAGE_PROTECT) ? PROT_READ : PROT_WRITE;
- rmap = kzalloc(sizeof(*rmap), GFP_KERNEL);
+ rmap = kzalloc(sizeof(*rmap), GFP_KERNEL_ACCOUNT);
if (!rmap)
return -ENOMEM;
rmap->raddr = (saddr & PAGE_MASK) | _SHADOW_RMAP_PGTABLE;
@@ -2128,7 +2128,7 @@ int gmap_shadow_page(struct gmap *sg, unsigned long saddr, pte_t pte)
rc = vmaddr;
break;
}
- rc = radix_tree_preload(GFP_KERNEL);
+ rc = radix_tree_preload(GFP_KERNEL_ACCOUNT);
if (rc)
break;
rc = -EAGAIN;
--
2.28.0
