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author | Catalin Marinas <catalin.marinas@arm.com> | 2009-07-07 11:33:01 +0200 |
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committer | Catalin Marinas <catalin.marinas@arm.com> | 2009-07-08 15:25:14 +0200 |
commit | ec3a354bd46cbdaa7933ba57a142ee2d2dbde0e5 (patch) | |
tree | 7ca4fc5d3ade825a73d9d0d1eb5f0b5e5cccb26d /mm/bootmem.c | |
parent | kmemleak: Allow partial freeing of memory blocks (diff) | |
download | linux-ec3a354bd46cbdaa7933ba57a142ee2d2dbde0e5.tar.xz linux-ec3a354bd46cbdaa7933ba57a142ee2d2dbde0e5.zip |
kmemleak: Add callbacks to the bootmem allocator
This patch adds kmemleak_alloc/free callbacks to the bootmem allocator.
This would allow scanning of such blocks and help avoiding a whole class
of false positives and more kmemleak annotations.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Reviewed-by: Johannes Weiner <hannes@cmpxchg.org>
Diffstat (limited to 'mm/bootmem.c')
-rw-r--r-- | mm/bootmem.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/mm/bootmem.c b/mm/bootmem.c index d2a9ce952768..701740c9e81b 100644 --- a/mm/bootmem.c +++ b/mm/bootmem.c @@ -12,6 +12,7 @@ #include <linux/pfn.h> #include <linux/bootmem.h> #include <linux/module.h> +#include <linux/kmemleak.h> #include <asm/bug.h> #include <asm/io.h> @@ -335,6 +336,8 @@ void __init free_bootmem_node(pg_data_t *pgdat, unsigned long physaddr, { unsigned long start, end; + kmemleak_free_part(__va(physaddr), size); + start = PFN_UP(physaddr); end = PFN_DOWN(physaddr + size); @@ -354,6 +357,8 @@ void __init free_bootmem(unsigned long addr, unsigned long size) { unsigned long start, end; + kmemleak_free_part(__va(addr), size); + start = PFN_UP(addr); end = PFN_DOWN(addr + size); @@ -516,6 +521,7 @@ find_block: region = phys_to_virt(PFN_PHYS(bdata->node_min_pfn) + start_off); memset(region, 0, size); + kmemleak_alloc(region, size, 1, 0); return region; } |