diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/bootmem.c | 6 | ||||
| -rw-r--r-- | mm/cma.c | 2 | ||||
| -rw-r--r-- | mm/kmemleak.c | 47 | ||||
| -rw-r--r-- | mm/memblock.c | 8 | ||||
| -rw-r--r-- | mm/nobootmem.c | 2 |
5 files changed, 56 insertions, 9 deletions
diff --git a/mm/bootmem.c b/mm/bootmem.c index a869f84f44d3..e8a55a3c9feb 100644 --- a/mm/bootmem.c +++ b/mm/bootmem.c @@ -155,7 +155,7 @@ void __init free_bootmem_late(unsigned long physaddr, unsigned long size) { unsigned long cursor, end; - kmemleak_free_part(__va(physaddr), size); + kmemleak_free_part_phys(physaddr, size); cursor = PFN_UP(physaddr); end = PFN_DOWN(physaddr + size); @@ -399,7 +399,7 @@ void __init free_bootmem_node(pg_data_t *pgdat, unsigned long physaddr, { unsigned long start, end; - kmemleak_free_part(__va(physaddr), size); + kmemleak_free_part_phys(physaddr, size); start = PFN_UP(physaddr); end = PFN_DOWN(physaddr + size); @@ -420,7 +420,7 @@ void __init free_bootmem(unsigned long physaddr, unsigned long size) { unsigned long start, end; - kmemleak_free_part(__va(physaddr), size); + kmemleak_free_part_phys(physaddr, size); start = PFN_UP(physaddr); end = PFN_DOWN(physaddr + size); @@ -336,7 +336,7 @@ int __init cma_declare_contiguous(phys_addr_t base, * kmemleak scans/reads tracked objects for pointers to other * objects but this address isn't mapped and accessible */ - kmemleak_ignore(phys_to_virt(addr)); + kmemleak_ignore_phys(addr); base = addr; } 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. */ diff --git a/mm/memblock.c b/mm/memblock.c index c8dfa430342b..7608bc305936 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -723,7 +723,7 @@ int __init_memblock memblock_free(phys_addr_t base, phys_addr_t size) (unsigned long long)base + size - 1, (void *)_RET_IP_); - kmemleak_free_part(__va(base), size); + kmemleak_free_part_phys(base, size); return memblock_remove_range(&memblock.reserved, base, size); } @@ -1152,7 +1152,7 @@ static phys_addr_t __init memblock_alloc_range_nid(phys_addr_t size, * The min_count is set to 0 so that memblock allocations are * never reported as leaks. */ - kmemleak_alloc(__va(found), size, 0, 0); + kmemleak_alloc_phys(found, size, 0, 0); return found; } return 0; @@ -1399,7 +1399,7 @@ void __init __memblock_free_early(phys_addr_t base, phys_addr_t size) memblock_dbg("%s: [%#016llx-%#016llx] %pF\n", __func__, (u64)base, (u64)base + size - 1, (void *)_RET_IP_); - kmemleak_free_part(__va(base), size); + kmemleak_free_part_phys(base, size); memblock_remove_range(&memblock.reserved, base, size); } @@ -1419,7 +1419,7 @@ void __init __memblock_free_late(phys_addr_t base, phys_addr_t size) memblock_dbg("%s: [%#016llx-%#016llx] %pF\n", __func__, (u64)base, (u64)base + size - 1, (void *)_RET_IP_); - kmemleak_free_part(__va(base), size); + kmemleak_free_part_phys(base, size); cursor = PFN_UP(base); end = PFN_DOWN(base + size); diff --git a/mm/nobootmem.c b/mm/nobootmem.c index ba609b684d7a..487dad610731 100644 --- a/mm/nobootmem.c +++ b/mm/nobootmem.c @@ -84,7 +84,7 @@ void __init free_bootmem_late(unsigned long addr, unsigned long size) { unsigned long cursor, end; - kmemleak_free_part(__va(addr), size); + kmemleak_free_part_phys(addr, size); cursor = PFN_UP(addr); end = PFN_DOWN(addr + size); |