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Date: Sat, 29 Nov 2008 13:46:10 +0200 From: "Pekka Enberg" <penberg@...helsinki.fi> To: "Catalin Marinas" <catalin.marinas@....com> Cc: linux-kernel@...r.kernel.org, "Ingo Molnar" <mingo@...e.hu>, "Christoph Lameter" <cl@...ux-foundation.org> Subject: Re: [PATCH 05/15] kmemleak: Add the slub memory allocation/freeing hooks Hi Catalin, Please use the penberg@...helsinki.fi email address when cc'ing me. On Sat, Nov 29, 2008 at 12:43 PM, Catalin Marinas <catalin.marinas@....com> wrote: > This patch adds the callbacks to memleak_(alloc|free) functions from the > slub allocator. > > Signed-off-by: Catalin Marinas <catalin.marinas@....com> > Cc: Ingo Molnar <mingo@...e.hu> > Cc: Pekka Enberg <penberg@...il.com> > Cc: Christoph Lameter <cl@...ux-foundation.org> Looks good to me. Acked-by: Pekka Enberg <penberg@...helsinki.fi> > --- > mm/slub.c | 5 ++++- > 1 files changed, 4 insertions(+), 1 deletions(-) > > diff --git a/mm/slub.c b/mm/slub.c > index 7ad489a..b683571 100644 > --- a/mm/slub.c > +++ b/mm/slub.c > @@ -18,6 +18,7 @@ > #include <linux/seq_file.h> > #include <linux/cpu.h> > #include <linux/cpuset.h> > +#include <linux/memleak.h> > #include <linux/mempolicy.h> > #include <linux/ctype.h> > #include <linux/debugobjects.h> > @@ -140,7 +141,7 @@ > * Set of flags that will prevent slab merging > */ > #define SLUB_NEVER_MERGE (SLAB_RED_ZONE | SLAB_POISON | SLAB_STORE_USER | \ > - SLAB_TRACE | SLAB_DESTROY_BY_RCU) > + SLAB_TRACE | SLAB_DESTROY_BY_RCU | SLAB_NOLEAKTRACE) > > #define SLUB_MERGE_SAME (SLAB_DEBUG_FREE | SLAB_RECLAIM_ACCOUNT | \ > SLAB_CACHE_DMA) > @@ -1608,6 +1609,7 @@ static __always_inline void *slab_alloc(struct kmem_cache *s, > if (unlikely((gfpflags & __GFP_ZERO) && object)) > memset(object, 0, objsize); > > + memleak_alloc_recursive(object, objsize, 1, s->flags); > return object; > } > > @@ -1710,6 +1712,7 @@ static __always_inline void slab_free(struct kmem_cache *s, > struct kmem_cache_cpu *c; > unsigned long flags; > > + memleak_free_recursive(x, s->flags); > local_irq_save(flags); > c = get_cpu_slab(s, smp_processor_id()); > debug_check_no_locks_freed(object, c->objsize); > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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