slub: make ->offset unsigned int

->offset is free pointer offset from the start of the object, can't be
negative.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Alexey Dobriyan <[email protected]>
Acked-by: Christoph Lameter <[email protected]>
Cc: Pekka Enberg <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index d2cc1391f17ad62ab563803d253ccc3bbefc3519..db00dbd7e89f302dba3c7946729d859d656bdf94 100644 (file)
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -86,7 +86,7 @@ struct kmem_cache {
        unsigned long min_partial;
        int size;               /* The size of an object including meta data */
        int object_size;        /* The size of an object without meta data */
-       int offset;             /* Free pointer offset. */
+       unsigned int offset;    /* Free pointer offset. */
 #ifdef CONFIG_SLUB_CPU_PARTIAL
        /* Number of per cpu partial objects to keep around */
        unsigned int cpu_partial;