diff options
author | Dan Williams <dan.j.williams@intel.com> | 2009-09-08 17:55:21 -0700 |
---|---|---|
committer | Dan Williams <dan.j.williams@intel.com> | 2009-09-08 17:55:21 -0700 |
commit | bbb20089a3275a19e475dbc21320c3742e3ca423 (patch) | |
tree | 216fdc1cbef450ca688135c5b8969169482d9a48 /mm/vmalloc.c | |
parent | 3e48e656903e9fd8bc805c6a2c4264d7808d315b (diff) | |
parent | 657a77fa7284d8ae28dfa48f1dc5d919bf5b2843 (diff) |
Merge branch 'dmaengine' into async-tx-next
Conflicts:
crypto/async_tx/async_xor.c
drivers/dma/ioat/dma_v2.h
drivers/dma/ioat/pci.c
drivers/md/raid5.c
Diffstat (limited to 'mm/vmalloc.c')
-rw-r--r-- | mm/vmalloc.c | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 083716ea38c..f8189a4b3e1 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -23,8 +23,8 @@ #include <linux/rbtree.h> #include <linux/radix-tree.h> #include <linux/rcupdate.h> -#include <linux/bootmem.h> #include <linux/pfn.h> +#include <linux/kmemleak.h> #include <asm/atomic.h> #include <asm/uaccess.h> @@ -1032,7 +1032,7 @@ void __init vmalloc_init(void) /* Import existing vmlist entries. */ for (tmp = vmlist; tmp; tmp = tmp->next) { - va = alloc_bootmem(sizeof(struct vmap_area)); + va = kzalloc(sizeof(struct vmap_area), GFP_NOWAIT); va->flags = tmp->flags | VM_VM_AREA; va->va_start = (unsigned long)tmp->addr; va->va_end = va->va_start + tmp->size; @@ -1327,6 +1327,9 @@ static void __vunmap(const void *addr, int deallocate_pages) void vfree(const void *addr) { BUG_ON(in_interrupt()); + + kmemleak_free(addr); + __vunmap(addr, 1); } EXPORT_SYMBOL(vfree); @@ -1439,8 +1442,17 @@ fail: void *__vmalloc_area(struct vm_struct *area, gfp_t gfp_mask, pgprot_t prot) { - return __vmalloc_area_node(area, gfp_mask, prot, -1, - __builtin_return_address(0)); + void *addr = __vmalloc_area_node(area, gfp_mask, prot, -1, + __builtin_return_address(0)); + + /* + * A ref_count = 3 is needed because the vm_struct and vmap_area + * structures allocated in the __get_vm_area_node() function contain + * references to the virtual address of the vmalloc'ed block. + */ + kmemleak_alloc(addr, area->size - PAGE_SIZE, 3, gfp_mask); + + return addr; } /** @@ -1459,6 +1471,8 @@ static void *__vmalloc_node(unsigned long size, gfp_t gfp_mask, pgprot_t prot, int node, void *caller) { struct vm_struct *area; + void *addr; + unsigned long real_size = size; size = PAGE_ALIGN(size); if (!size || (size >> PAGE_SHIFT) > num_physpages) @@ -1470,7 +1484,16 @@ static void *__vmalloc_node(unsigned long size, gfp_t gfp_mask, pgprot_t prot, if (!area) return NULL; - return __vmalloc_area_node(area, gfp_mask, prot, node, caller); + addr = __vmalloc_area_node(area, gfp_mask, prot, node, caller); + + /* + * A ref_count = 3 is needed because the vm_struct and vmap_area + * structures allocated in the __get_vm_area_node() function contain + * references to the virtual address of the vmalloc'ed block. + */ + kmemleak_alloc(addr, real_size, 3, gfp_mask); + + return addr; } void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot) |