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-rw-r--r--drivers/dax/dax-private.h4
-rw-r--r--drivers/dax/device.c41
-rw-r--r--drivers/dax/pmem/core.c2
-rw-r--r--drivers/gpu/drm/nouveau/Kconfig6
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_dmem.c103
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_svm.c2
-rw-r--r--drivers/nvdimm/pfn_devs.c3
-rw-r--r--drivers/nvdimm/pmem.c51
-rw-r--r--drivers/pci/p2pdma.c52
9 files changed, 77 insertions, 187 deletions
diff --git a/drivers/dax/dax-private.h b/drivers/dax/dax-private.h
index b4177aafbbd1..c915889d1769 100644
--- a/drivers/dax/dax-private.h
+++ b/drivers/dax/dax-private.h
@@ -43,8 +43,6 @@ struct dax_region {
* @target_node: effective numa node if dev_dax memory range is onlined
* @dev - device core
* @pgmap - pgmap for memmap setup / lifetime (driver owned)
- * @ref: pgmap reference count (driver owned)
- * @cmp: @ref final put completion (driver owned)
*/
struct dev_dax {
struct dax_region *region;
@@ -52,8 +50,6 @@ struct dev_dax {
int target_node;
struct device dev;
struct dev_pagemap pgmap;
- struct percpu_ref ref;
- struct completion cmp;
};
static inline struct dev_dax *to_dev_dax(struct device *dev)
diff --git a/drivers/dax/device.c b/drivers/dax/device.c
index 8465d12fecba..1af823b2fe6b 100644
--- a/drivers/dax/device.c
+++ b/drivers/dax/device.c
@@ -14,37 +14,6 @@
#include "dax-private.h"
#include "bus.h"
-static struct dev_dax *ref_to_dev_dax(struct percpu_ref *ref)
-{
- return container_of(ref, struct dev_dax, ref);
-}
-
-static void dev_dax_percpu_release(struct percpu_ref *ref)
-{
- struct dev_dax *dev_dax = ref_to_dev_dax(ref);
-
- dev_dbg(&dev_dax->dev, "%s\n", __func__);
- complete(&dev_dax->cmp);
-}
-
-static void dev_dax_percpu_exit(struct percpu_ref *ref)
-{
- struct dev_dax *dev_dax = ref_to_dev_dax(ref);
-
- dev_dbg(&dev_dax->dev, "%s\n", __func__);
- wait_for_completion(&dev_dax->cmp);
- percpu_ref_exit(ref);
-}
-
-static void dev_dax_percpu_kill(struct percpu_ref *data)
-{
- struct percpu_ref *ref = data;
- struct dev_dax *dev_dax = ref_to_dev_dax(ref);
-
- dev_dbg(&dev_dax->dev, "%s\n", __func__);
- percpu_ref_kill(ref);
-}
-
static int check_vma(struct dev_dax *dev_dax, struct vm_area_struct *vma,
const char *func)
{
@@ -459,15 +428,7 @@ int dev_dax_probe(struct device *dev)
return -EBUSY;
}
- init_completion(&dev_dax->cmp);
- rc = percpu_ref_init(&dev_dax->ref, dev_dax_percpu_release, 0,
- GFP_KERNEL);
- if (rc)
- return rc;
-
- dev_dax->pgmap.ref = &dev_dax->ref;
- dev_dax->pgmap.kill = dev_dax_percpu_kill;
- dev_dax->pgmap.cleanup = dev_dax_percpu_exit;
+ dev_dax->pgmap.type = MEMORY_DEVICE_DEVDAX;
addr = devm_memremap_pages(dev, &dev_dax->pgmap);
if (IS_ERR(addr))
return PTR_ERR(addr);
diff --git a/drivers/dax/pmem/core.c b/drivers/dax/pmem/core.c
index f9f51786d556..6eb6dfdf19bf 100644
--- a/drivers/dax/pmem/core.c
+++ b/drivers/dax/pmem/core.c
@@ -16,7 +16,7 @@ struct dev_dax *__dax_pmem_probe(struct device *dev, enum dev_dax_subsys subsys)
struct dev_dax *dev_dax;
struct nd_namespace_io *nsio;
struct dax_region *dax_region;
- struct dev_pagemap pgmap = { 0 };
+ struct dev_pagemap pgmap = { };
struct nd_namespace_common *ndns;
struct nd_dax *nd_dax = to_nd_dax(dev);
struct nd_pfn *nd_pfn = &nd_dax->nd_pfn;
diff --git a/drivers/gpu/drm/nouveau/Kconfig b/drivers/gpu/drm/nouveau/Kconfig
index dba2613f7180..96b9814e6d06 100644
--- a/drivers/gpu/drm/nouveau/Kconfig
+++ b/drivers/gpu/drm/nouveau/Kconfig
@@ -84,11 +84,11 @@ config DRM_NOUVEAU_BACKLIGHT
config DRM_NOUVEAU_SVM
bool "(EXPERIMENTAL) Enable SVM (Shared Virtual Memory) support"
- depends on ARCH_HAS_HMM
+ depends on DEVICE_PRIVATE
depends on DRM_NOUVEAU
+ depends on HMM_MIRROR
depends on STAGING
- select HMM_MIRROR
- select DEVICE_PRIVATE
+ select MIGRATE_VMA_HELPER
default n
help
Say Y here if you want to enable experimental support for
diff --git a/drivers/gpu/drm/nouveau/nouveau_dmem.c b/drivers/gpu/drm/nouveau/nouveau_dmem.c
index 40c47d6a7d78..42c026010938 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dmem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dmem.c
@@ -72,7 +72,8 @@ struct nouveau_dmem_migrate {
};
struct nouveau_dmem {
- struct hmm_devmem *devmem;
+ struct nouveau_drm *drm;
+ struct dev_pagemap pagemap;
struct nouveau_dmem_migrate migrate;
struct list_head chunk_free;
struct list_head chunk_full;
@@ -80,6 +81,11 @@ struct nouveau_dmem {
struct mutex mutex;
};
+static inline struct nouveau_dmem *page_to_dmem(struct page *page)
+{
+ return container_of(page->pgmap, struct nouveau_dmem, pagemap);
+}
+
struct nouveau_dmem_fault {
struct nouveau_drm *drm;
struct nouveau_fence *fence;
@@ -96,14 +102,10 @@ struct nouveau_migrate {
unsigned long dma_nr;
};
-static void
-nouveau_dmem_free(struct hmm_devmem *devmem, struct page *page)
+static void nouveau_dmem_page_free(struct page *page)
{
- struct nouveau_dmem_chunk *chunk;
- unsigned long idx;
-
- chunk = (void *)hmm_devmem_page_get_drvdata(page);
- idx = page_to_pfn(page) - chunk->pfn_first;
+ struct nouveau_dmem_chunk *chunk = page->zone_device_data;
+ unsigned long idx = page_to_pfn(page) - chunk->pfn_first;
/*
* FIXME:
@@ -148,11 +150,12 @@ nouveau_dmem_fault_alloc_and_copy(struct vm_area_struct *vma,
if (!spage || !(src_pfns[i] & MIGRATE_PFN_MIGRATE))
continue;
- dpage = hmm_vma_alloc_locked_page(vma, addr);
+ dpage = alloc_page_vma(GFP_HIGHUSER, vma, addr);
if (!dpage) {
dst_pfns[i] = MIGRATE_PFN_ERROR;
continue;
}
+ lock_page(dpage);
dst_pfns[i] = migrate_pfn(page_to_pfn(dpage)) |
MIGRATE_PFN_LOCKED;
@@ -194,7 +197,7 @@ nouveau_dmem_fault_alloc_and_copy(struct vm_area_struct *vma,
dst_addr = fault->dma[fault->npages++];
- chunk = (void *)hmm_devmem_page_get_drvdata(spage);
+ chunk = spage->zone_device_data;
src_addr = page_to_pfn(spage) - chunk->pfn_first;
src_addr = (src_addr << PAGE_SHIFT) + chunk->bo->bo.offset;
@@ -259,29 +262,21 @@ static const struct migrate_vma_ops nouveau_dmem_fault_migrate_ops = {
.finalize_and_map = nouveau_dmem_fault_finalize_and_map,
};
-static vm_fault_t
-nouveau_dmem_fault(struct hmm_devmem *devmem,
- struct vm_area_struct *vma,
- unsigned long addr,
- const struct page *page,
- unsigned int flags,
- pmd_t *pmdp)
+static vm_fault_t nouveau_dmem_migrate_to_ram(struct vm_fault *vmf)
{
- struct drm_device *drm_dev = dev_get_drvdata(devmem->device);
+ struct nouveau_dmem *dmem = page_to_dmem(vmf->page);
unsigned long src[1] = {0}, dst[1] = {0};
- struct nouveau_dmem_fault fault = {0};
+ struct nouveau_dmem_fault fault = { .drm = dmem->drm };
int ret;
-
-
/*
* FIXME what we really want is to find some heuristic to migrate more
* than just one page on CPU fault. When such fault happens it is very
* likely that more surrounding page will CPU fault too.
*/
- fault.drm = nouveau_drm(drm_dev);
- ret = migrate_vma(&nouveau_dmem_fault_migrate_ops, vma, addr,
- addr + PAGE_SIZE, src, dst, &fault);
+ ret = migrate_vma(&nouveau_dmem_fault_migrate_ops, vmf->vma,
+ vmf->address, vmf->address + PAGE_SIZE,
+ src, dst, &fault);
if (ret)
return VM_FAULT_SIGBUS;
@@ -291,10 +286,9 @@ nouveau_dmem_fault(struct hmm_devmem *devmem,
return 0;
}
-static const struct hmm_devmem_ops
-nouveau_dmem_devmem_ops = {
- .free = nouveau_dmem_free,
- .fault = nouveau_dmem_fault,
+static const struct dev_pagemap_ops nouveau_dmem_pagemap_ops = {
+ .page_free = nouveau_dmem_page_free,
+ .migrate_to_ram = nouveau_dmem_migrate_to_ram,
};
static int
@@ -580,7 +574,8 @@ void
nouveau_dmem_init(struct nouveau_drm *drm)
{
struct device *device = drm->dev->dev;
- unsigned long i, size;
+ struct resource *res;
+ unsigned long i, size, pfn_first;
int ret;
/* This only make sense on PASCAL or newer */
@@ -590,6 +585,7 @@ nouveau_dmem_init(struct nouveau_drm *drm)
if (!(drm->dmem = kzalloc(sizeof(*drm->dmem), GFP_KERNEL)))
return;
+ drm->dmem->drm = drm;
mutex_init(&drm->dmem->mutex);
INIT_LIST_HEAD(&drm->dmem->chunk_free);
INIT_LIST_HEAD(&drm->dmem->chunk_full);
@@ -599,11 +595,8 @@ nouveau_dmem_init(struct nouveau_drm *drm)
/* Initialize migration dma helpers before registering memory */
ret = nouveau_dmem_migrate_init(drm);
- if (ret) {
- kfree(drm->dmem);
- drm->dmem = NULL;
- return;
- }
+ if (ret)
+ goto out_free;
/*
* FIXME we need some kind of policy to decide how much VRAM we
@@ -611,14 +604,16 @@ nouveau_dmem_init(struct nouveau_drm *drm)
* and latter if we want to do thing like over commit then we
* could revisit this.
*/
- drm->dmem->devmem = hmm_devmem_add(&nouveau_dmem_devmem_ops,
- device, size);
- if (IS_ERR(drm->dmem->devmem)) {
- kfree(drm->dmem);
- drm->dmem = NULL;
- return;
- }
-
+ res = devm_request_free_mem_region(device, &iomem_resource, size);
+ if (IS_ERR(res))
+ goto out_free;
+ drm->dmem->pagemap.type = MEMORY_DEVICE_PRIVATE;
+ drm->dmem->pagemap.res = *res;
+ drm->dmem->pagemap.ops = &nouveau_dmem_pagemap_ops;
+ if (IS_ERR(devm_memremap_pages(device, &drm->dmem->pagemap)))
+ goto out_free;
+
+ pfn_first = res->start >> PAGE_SHIFT;
for (i = 0; i < (size / DMEM_CHUNK_SIZE); ++i) {
struct nouveau_dmem_chunk *chunk;
struct page *page;
@@ -631,17 +626,19 @@ nouveau_dmem_init(struct nouveau_drm *drm)
}
chunk->drm = drm;
- chunk->pfn_first = drm->dmem->devmem->pfn_first;
- chunk->pfn_first += (i * DMEM_CHUNK_NPAGES);
+ chunk->pfn_first = pfn_first + (i * DMEM_CHUNK_NPAGES);
list_add_tail(&chunk->list, &drm->dmem->chunk_empty);
page = pfn_to_page(chunk->pfn_first);
- for (j = 0; j < DMEM_CHUNK_NPAGES; ++j, ++page) {
- hmm_devmem_page_set_drvdata(page, (long)chunk);
- }
+ for (j = 0; j < DMEM_CHUNK_NPAGES; ++j, ++page)
+ page->zone_device_data = chunk;
}
NV_INFO(drm, "DMEM: registered %ldMB of device memory\n", size >> 20);
+ return;
+out_free:
+ kfree(drm->dmem);
+ drm->dmem = NULL;
}
static void
@@ -697,7 +694,7 @@ nouveau_dmem_migrate_alloc_and_copy(struct vm_area_struct *vma,
if (!dpage || dst_pfns[i] == MIGRATE_PFN_ERROR)
continue;
- chunk = (void *)hmm_devmem_page_get_drvdata(dpage);
+ chunk = dpage->zone_device_data;
dst_addr = page_to_pfn(dpage) - chunk->pfn_first;
dst_addr = (dst_addr << PAGE_SHIFT) + chunk->bo->bo.offset;
@@ -832,13 +829,7 @@ out:
static inline bool
nouveau_dmem_page(struct nouveau_drm *drm, struct page *page)
{
- if (!is_device_private_page(page))
- return false;
-
- if (drm->dmem->devmem != page->pgmap->data)
- return false;
-
- return true;
+ return is_device_private_page(page) && drm->dmem == page_to_dmem(page);
}
void
@@ -867,7 +858,7 @@ nouveau_dmem_convert_pfn(struct nouveau_drm *drm,
continue;
}
- chunk = (void *)hmm_devmem_page_get_drvdata(page);
+ chunk = page->zone_device_data;
addr = page_to_pfn(page) - chunk->pfn_first;
addr = (addr + chunk->bo->bo.mem.start) << PAGE_SHIFT;
diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.c b/drivers/gpu/drm/nouveau/nouveau_svm.c
index 93ed43c413f0..8c92374afcf2 100644
--- a/drivers/gpu/drm/nouveau/nouveau_svm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_svm.c
@@ -649,7 +649,7 @@ nouveau_svm_fault(struct nvif_notify *notify)
range.values = nouveau_svm_pfn_values;
range.pfn_shift = NVIF_VMM_PFNMAP_V0_ADDR_SHIFT;
again:
- ret = hmm_vma_fault(&range, true);
+ ret = hmm_vma_fault(&svmm->mirror, &range, true);
if (ret == 0) {
mutex_lock(&svmm->mutex);
if (!hmm_vma_range_done(&range)) {
diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c
index 0f81fc56bbfd..55fb6b7433ed 100644
--- a/drivers/nvdimm/pfn_devs.c
+++ b/drivers/nvdimm/pfn_devs.c
@@ -622,7 +622,6 @@ static int __nvdimm_setup_pfn(struct nd_pfn *nd_pfn, struct dev_pagemap *pgmap)
if (offset < reserve)
return -EINVAL;
nd_pfn->npfns = le64_to_cpu(pfn_sb->npfns);
- pgmap->altmap_valid = false;
} else if (nd_pfn->mode == PFN_MODE_PMEM) {
nd_pfn->npfns = PFN_SECTION_ALIGN_UP((resource_size(res)
- offset) / PAGE_SIZE);
@@ -634,7 +633,7 @@ static int __nvdimm_setup_pfn(struct nd_pfn *nd_pfn, struct dev_pagemap *pgmap)
memcpy(altmap, &__altmap, sizeof(*altmap));
altmap->free = PHYS_PFN(offset - reserve);
altmap->alloc = 0;
- pgmap->altmap_valid = true;
+ pgmap->flags |= PGMAP_ALTMAP_VALID;
} else
return -ENXIO;
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 24d7fe7c74ed..e7d8cc9f41e8 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -303,24 +303,24 @@ static const struct attribute_group *pmem_attribute_groups[] = {
NULL,
};
-static void __pmem_release_queue(struct percpu_ref *ref)
+static void pmem_pagemap_cleanup(struct dev_pagemap *pgmap)
{
- struct request_queue *q;
+ struct request_queue *q =
+ container_of(pgmap->ref, struct request_queue, q_usage_counter);
- q = container_of(ref, typeof(*q), q_usage_counter);
blk_cleanup_queue(q);
}
-static void pmem_release_queue(void *ref)
+static void pmem_release_queue(void *pgmap)
{
- __pmem_release_queue(ref);
+ pmem_pagemap_cleanup(pgmap);
}
-static void pmem_freeze_queue(struct percpu_ref *ref)
+static void pmem_pagemap_kill(struct dev_pagemap *pgmap)
{
- struct request_queue *q;
+ struct request_queue *q =
+ container_of(pgmap->ref, struct request_queue, q_usage_counter);
- q = container_of(ref, typeof(*q), q_usage_counter);
blk_freeze_queue_start(q);
}
@@ -334,26 +334,16 @@ static void pmem_release_disk(void *__pmem)
put_disk(pmem->disk);
}
-static void pmem_release_pgmap_ops(void *__pgmap)
-{
- dev_pagemap_put_ops();
-}
-
-static void fsdax_pagefree(struct page *page, void *data)
+static void pmem_pagemap_page_free(struct page *page)
{
wake_up_var(&page->_refcount);
}
-static int setup_pagemap_fsdax(struct device *dev, struct dev_pagemap *pgmap)
-{
- dev_pagemap_get_ops();
- if (devm_add_action_or_reset(dev, pmem_release_pgmap_ops, pgmap))
- return -ENOMEM;
- pgmap->type = MEMORY_DEVICE_FS_DAX;
- pgmap->page_free = fsdax_pagefree;
-
- return 0;
-}
+static const struct dev_pagemap_ops fsdax_pagemap_ops = {
+ .page_free = pmem_pagemap_page_free,
+ .kill = pmem_pagemap_kill,
+ .cleanup = pmem_pagemap_cleanup,
+};
static int pmem_attach_disk(struct device *dev,
struct nd_namespace_common *ndns)
@@ -409,11 +399,9 @@ static int pmem_attach_disk(struct device *dev,
pmem->pfn_flags = PFN_DEV;
pmem->pgmap.ref = &q->q_usage_counter;
- pmem->pgmap.kill = pmem_freeze_queue;
- pmem->pgmap.cleanup = __pmem_release_queue;
if (is_nd_pfn(dev)) {
- if (setup_pagemap_fsdax(dev, &pmem->pgmap))
- return -ENOMEM;
+ pmem->pgmap.type = MEMORY_DEVICE_FS_DAX;
+ pmem->pgmap.ops = &fsdax_pagemap_ops;
addr = devm_memremap_pages(dev, &pmem->pgmap);
pfn_sb = nd_pfn->pfn_sb;
pmem->data_offset = le64_to_cpu(pfn_sb->dataoff);
@@ -424,15 +412,14 @@ static int pmem_attach_disk(struct device *dev,
bb_res.start += pmem->data_offset;
} else if (pmem_should_map_pages(dev)) {
memcpy(&pmem->pgmap.res, &nsio->res, sizeof(pmem->pgmap.res));
- pmem->pgmap.altmap_valid = false;
- if (setup_pagemap_fsdax(dev, &pmem->pgmap))
- return -ENOMEM;
+ pmem->pgmap.type = MEMORY_DEVICE_FS_DAX;
+ pmem->pgmap.ops = &fsdax_pagemap_ops;
addr = devm_memremap_pages(dev, &pmem->pgmap);
pmem->pfn_flags |= PFN_MAP;
memcpy(&bb_res, &pmem->pgmap.res, sizeof(bb_res));
} else {
if (devm_add_action_or_reset(dev, pmem_release_queue,
- &q->q_usage_counter))
+ &pmem->pgmap))
return -ENOMEM;
addr = devm_memremap(dev, pmem->phys_addr,
pmem->size, ARCH_MEMREMAP_PMEM);
diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c
index a4994aa3acc0..a3073ce16520 100644
--- a/drivers/pci/p2pdma.c
+++ b/drivers/pci/p2pdma.c
@@ -25,12 +25,6 @@ struct pci_p2pdma {
bool p2pmem_published;
};
-struct p2pdma_pagemap {
- struct dev_pagemap pgmap;
- struct percpu_ref ref;
- struct completion ref_done;
-};
-
static ssize_t size_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
@@ -79,31 +73,6 @@ static const struct attribute_group p2pmem_group = {
.name = "p2pmem",
};
-static struct p2pdma_pagemap *to_p2p_pgmap(struct percpu_ref *ref)
-{
- return container_of(ref, struct p2pdma_pagemap, ref);
-}
-
-static void pci_p2pdma_percpu_release(struct percpu_ref *ref)
-{
- struct p2pdma_pagemap *p2p_pgmap = to_p2p_pgmap(ref);
-
- complete(&p2p_pgmap->ref_done);
-}
-
-static void pci_p2pdma_percpu_kill(struct percpu_ref *ref)
-{
- percpu_ref_kill(ref);
-}
-
-static void pci_p2pdma_percpu_cleanup(struct percpu_ref *ref)
-{
- struct p2pdma_pagemap *p2p_pgmap = to_p2p_pgmap(ref);
-
- wait_for_completion(&p2p_pgmap->ref_done);
- percpu_ref_exit(&p2p_pgmap->ref);
-}
-
static void pci_p2pdma_release(void *data)
{
struct pci_dev *pdev = data;
@@ -166,7 +135,6 @@ out:
int pci_p2pdma_add_resource(struct pci_dev *pdev, int bar, size_t size,
u64 offset)
{
- struct p2pdma_pagemap *p2p_pgmap;
struct dev_pagemap *pgmap;
void *addr;
int error;
@@ -189,27 +157,15 @@ int pci_p2pdma_add_resource(struct pci_dev *pdev, int bar, size_t size,
return error;
}
- p2p_pgmap = devm_kzalloc(&pdev->dev, sizeof(*p2p_pgmap), GFP_KERNEL);
- if (!p2p_pgmap)
+ pgmap = devm_kzalloc(&pdev->dev, sizeof(*pgmap), GFP_KERNEL);
+ if (!pgmap)
return -ENOMEM;
-
- init_completion(&p2p_pgmap->ref_done);
- error = percpu_ref_init(&p2p_pgmap->ref,
- pci_p2pdma_percpu_release, 0, GFP_KERNEL);
- if (error)
- goto pgmap_free;
-
- pgmap = &p2p_pgmap->pgmap;
-
pgmap->res.start = pci_resource_start(pdev, bar) + offset;
pgmap->res.end = pgmap->res.start + size - 1;
pgmap->res.flags = pci_resource_flags(pdev, bar);
- pgmap->ref = &p2p_pgmap->ref;
pgmap->type = MEMORY_DEVICE_PCI_P2PDMA;
pgmap->pci_p2pdma_bus_offset = pci_bus_address(pdev, bar) -
pci_resource_start(pdev, bar);
- pgmap->kill = pci_p2pdma_percpu_kill;
- pgmap->cleanup = pci_p2pdma_percpu_cleanup;
addr = devm_memremap_pages(&pdev->dev, pgmap);
if (IS_ERR(addr)) {
@@ -220,7 +176,7 @@ int pci_p2pdma_add_resource(struct pci_dev *pdev, int bar, size_t size,
error = gen_pool_add_owner(pdev->p2pdma->pool, (unsigned long)addr,
pci_bus_address(pdev, bar) + offset,
resource_size(&pgmap->res), dev_to_node(&pdev->dev),
- &p2p_pgmap->ref);
+ pgmap->ref);
if (error)
goto pages_free;
@@ -232,7 +188,7 @@ int pci_p2pdma_add_resource(struct pci_dev *pdev, int bar, size_t size,
pages_free:
devm_memunmap_pages(&pdev->dev, pgmap);
pgmap_free:
- devm_kfree(&pdev->dev, p2p_pgmap);
+ devm_kfree(&pdev->dev, pgmap);
return error;
}
EXPORT_SYMBOL_GPL(pci_p2pdma_add_resource);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 10:57:19 +0000