A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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mm: kmem_cache_create(): make it easier to catch NULL cache names

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Right now, if you inadvertently pass NULL to kmem_cache_create() at boot
time, it crashes much later after boot somewhere deep inside sysfs which
makes it very non obvious to figure out what's going on.

Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Cc: Pekka Enberg <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Benjamin Herrenschmidt 2009-09-21 17:02:30 -07:00 • committed by Linus Torvalds
commit fe1ff49d0d
1 changed files with 3 additions and 0 deletions
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3
mm/slub.c
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@ -3345,6 +3345,9 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size,
{
struct kmem_cache *s;
if (WARN_ON(!name))
return NULL;
down_write(&slub_lock);
s = find_mergeable(size, align, flags, name, ctor);
if (s) {