The patch titled
kmemleak: add kmemleak_alloc callback from alloc_large_system_hash
has been added to the -mm tree. Its filename is
kmemleak-add-kmemleak_alloc-callback-from-alloc_large_system_hash.patch
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------------------------------------------------------
Subject: kmemleak: add kmemleak_alloc callback from alloc_large_system_hash
From: Catalin Marinas <catalin.marinas@xxxxxxx>
The alloc_large_system_hash function is called from various places in the
kernel and it contains pointers to other allocated structures. It
therefore needs to be traced by kmemleak.
Signed-off-by: Catalin Marinas <catalin.marinas@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff -puN mm/page_alloc.c~kmemleak-add-kmemleak_alloc-callback-from-alloc_large_system_hash mm/page_alloc.c
--- a/mm/page_alloc.c~kmemleak-add-kmemleak_alloc-callback-from-alloc_large_system_hash
+++ a/mm/page_alloc.c
@@ -46,6 +46,7 @@
#include <linux/page-isolation.h>
#include <linux/page_cgroup.h>
#include <linux/debugobjects.h>
+#include <linux/kmemleak.h>
#include <asm/tlbflush.h>
#include <asm/div64.h>
@@ -4584,6 +4585,16 @@ void *__init alloc_large_system_hash(con
if (_hash_mask)
*_hash_mask = (1 << log2qty) - 1;
+ /*
+ * If hashdist is set, the table allocation is done with __vmalloc()
+ * which invokes the kmemleak_alloc() callback. This function may also
+ * be called before the slab and kmemleak are initialised when
+ * kmemleak simply buffers the request to be executed later
+ * (GFP_ATOMIC flag ignored in this case).
+ */
+ if (!hashdist)
+ kmemleak_alloc(table, size, 1, GFP_ATOMIC);
+
return table;
}
_
Patches currently in -mm which might be from catalin.marinas@xxxxxxx are
origin.patch
linux-next.patch
kmemleak-add-the-base-support.patch
kmemleak-add-the-base-support-fix.patch
kmemleak-add-documentation-on-the-memory-leak-detector.patch
kmemleak-add-the-slab-memory-allocation-freeing-hooks.patch
kmemleak-add-the-slob-memory-allocation-freeing-hooks.patch
kmemleak-add-the-slub-memory-allocation-freeing-hooks.patch
kmemleak-add-the-vmalloc-memory-allocation-freeing-hooks.patch
kmemleak-add-kmemleak_alloc-callback-from-alloc_large_system_hash.patch
kmemleak-add-modules-support.patch
x86-provide-_sdata-in-the-vmlinux_ldss-files.patch
arm-provide-_sdata-and-__bss_stop-in-the-vmlinuxldss-file.patch
kmemleak-remove-some-of-the-kmemleak-false-positives.patch
kmemleak-enable-the-building-of-the-memory-leak-detector.patch
kmemleak-simple-testing-module-for-kmemleak.patch
kmemleak-add-the-corresponding-maintainers-entry.patch
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