diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2025-11-11 15:49:46 +0100 |
|---|---|---|
| committer | Danilo Krummrich <dakr@kernel.org> | 2025-11-20 01:18:26 +1300 |
| commit | 0a75f3d90e7ab9cd182327fca4b4e3bce379afe5 (patch) | |
| tree | ef11636cd92467cefdce9fd6db91606ad48122d4 /include/linux/device/devres.h | |
| parent | 4d24145a7833c14a6521dfab57c5f10076a0110f (diff) | |
devres: Move devm_alloc_percpu() and related to devres.h
Move devm_alloc_percpu() and related to devres.h where it belongs.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20251111145046.997309-3-andriy.shevchenko@linux.intel.com
[ Fix minor typo in commit message. - Danilo ]
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Diffstat (limited to 'include/linux/device/devres.h')
| -rw-r--r-- | include/linux/device/devres.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/device/devres.h b/include/linux/device/devres.h index 8c5f57e0d613..9c1e3d643d69 100644 --- a/include/linux/device/devres.h +++ b/include/linux/device/devres.h @@ -9,6 +9,7 @@ #include <linux/stdarg.h> #include <linux/types.h> #include <asm/bug.h> +#include <asm/percpu.h> struct device; struct device_node; @@ -96,6 +97,22 @@ devm_kvasprintf(struct device *dev, gfp_t gfp, const char *fmt, va_list ap); char * __printf(3, 4) __malloc devm_kasprintf(struct device *dev, gfp_t gfp, const char *fmt, ...); +/** + * devm_alloc_percpu - Resource-managed alloc_percpu + * @dev: Device to allocate per-cpu memory for + * @type: Type to allocate per-cpu memory for + * + * Managed alloc_percpu. Per-cpu memory allocated with this function is + * automatically freed on driver detach. + * + * RETURNS: + * Pointer to allocated memory on success, NULL on failure. + */ +#define devm_alloc_percpu(dev, type) \ + ((typeof(type) __percpu *)__devm_alloc_percpu((dev), sizeof(type), __alignof__(type))) + +void __percpu *__devm_alloc_percpu(struct device *dev, size_t size, size_t align); + unsigned long devm_get_free_pages(struct device *dev, gfp_t gfp_mask, unsigned int order); void devm_free_pages(struct device *dev, unsigned long addr); |