diff options
Diffstat (limited to 'mm/kmemleak.c')
| -rw-r--r-- | mm/kmemleak.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/mm/kmemleak.c b/mm/kmemleak.c index 086292f7c59d..a5e453cf05c4 100644 --- a/mm/kmemleak.c +++ b/mm/kmemleak.c @@ -90,6 +90,8 @@ #include <linux/cache.h> #include <linux/percpu.h> #include <linux/hardirq.h> +#include <linux/bootmem.h> +#include <linux/pfn.h> #include <linux/mmzone.h> #include <linux/slab.h> #include <linux/thread_info.h> @@ -1121,6 +1123,51 @@ void __ref kmemleak_no_scan(const void *ptr) } EXPORT_SYMBOL(kmemleak_no_scan); +/** + * kmemleak_alloc_phys - similar to kmemleak_alloc but taking a physical + * address argument + */ +void __ref kmemleak_alloc_phys(phys_addr_t phys, size_t size, int min_count, + gfp_t gfp) +{ + if (!IS_ENABLED(CONFIG_HIGHMEM) || PHYS_PFN(phys) < max_low_pfn) + kmemleak_alloc(__va(phys), size, min_count, gfp); +} +EXPORT_SYMBOL(kmemleak_alloc_phys); + +/** + * kmemleak_free_part_phys - similar to kmemleak_free_part but taking a + * physical address argument + */ +void __ref kmemleak_free_part_phys(phys_addr_t phys, size_t size) +{ + if (!IS_ENABLED(CONFIG_HIGHMEM) || PHYS_PFN(phys) < max_low_pfn) + kmemleak_free_part(__va(phys), size); +} +EXPORT_SYMBOL(kmemleak_free_part_phys); + +/** + * kmemleak_not_leak_phys - similar to kmemleak_not_leak but taking a physical + * address argument + */ +void __ref kmemleak_not_leak_phys(phys_addr_t phys) +{ + if (!IS_ENABLED(CONFIG_HIGHMEM) || PHYS_PFN(phys) < max_low_pfn) + kmemleak_not_leak(__va(phys)); +} +EXPORT_SYMBOL(kmemleak_not_leak_phys); + +/** + * kmemleak_ignore_phys - similar to kmemleak_ignore but taking a physical + * address argument + */ +void __ref kmemleak_ignore_phys(phys_addr_t phys) +{ + if (!IS_ENABLED(CONFIG_HIGHMEM) || PHYS_PFN(phys) < max_low_pfn) + kmemleak_ignore(__va(phys)); +} +EXPORT_SYMBOL(kmemleak_ignore_phys); + /* * Update an object's checksum and return true if it was modified. */ |