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devres: Remove unused devm_free_percpu()

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Remove unused devm_free_percpu().

By the way, it was never used in the drivers/ from day 1.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20251111145046.997309-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
This commit is contained in:
Andy Shevchenko
2025-11-11 15:49:45 +01:00
committed by Danilo Krummrich
parent e4addc7cc2
commit 4d24145a78
3 changed files with 0 additions and 27 deletions
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1
Documentation/driver-api/driver-model/devres.rst
View File

@@ -383,7 +383,6 @@ NET
PER-CPU MEM PER-CPU MEM
devm_alloc_percpu() devm_alloc_percpu()
devm_free_percpu()
PCI PCI
devm_pci_alloc_host_bridge() : managed PCI host bridge allocation devm_pci_alloc_host_bridge() : managed PCI host bridge allocation

25
drivers/base/devres.c
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@@ -1222,13 +1222,6 @@ static void devm_percpu_release(struct device *dev, void *pdata)
free_percpu(p); free_percpu(p);
} }
static int devm_percpu_match(struct device *dev, void *data, void *p)
{
struct devres *devr = container_of(data, struct devres, data);
return *(void **)devr->data == p;
}
/** /**
* __devm_alloc_percpu - Resource-managed alloc_percpu * __devm_alloc_percpu - Resource-managed alloc_percpu
* @dev: Device to allocate per-cpu memory for * @dev: Device to allocate per-cpu memory for
@@ -1264,21 +1257,3 @@ void __percpu *__devm_alloc_percpu(struct device *dev, size_t size,
return pcpu; return pcpu;
} }
EXPORT_SYMBOL_GPL(__devm_alloc_percpu); EXPORT_SYMBOL_GPL(__devm_alloc_percpu);
/**
* devm_free_percpu - Resource-managed free_percpu
* @dev: Device this memory belongs to
* @pdata: Per-cpu memory to free
*
* Free memory allocated with devm_alloc_percpu().
*/
void devm_free_percpu(struct device *dev, void __percpu *pdata)
{
/*
* Use devres_release() to prevent memory leakage as
* devm_free_pages() does.
*/
WARN_ON(devres_release(dev, devm_percpu_release, devm_percpu_match,
(void *)(__force unsigned long)pdata));
}
EXPORT_SYMBOL_GPL(devm_free_percpu);

1
include/linux/device.h
View File

@@ -298,7 +298,6 @@ void device_remove_bin_file(struct device *dev,
void __percpu *__devm_alloc_percpu(struct device *dev, size_t size, void __percpu *__devm_alloc_percpu(struct device *dev, size_t size,
size_t align); size_t align);
void devm_free_percpu(struct device *dev, void __percpu *pdata);
struct device_dma_parameters { struct device_dma_parameters {
/* /*