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Christoph Lameter 50953fe9e0 slab allocators: Remove SLAB_DEBUG_INITIAL flag ... I have never seen a use of SLAB_DEBUG_INITIAL. It is only supported by SLAB. I think its purpose was to have a callback after an object has been freed to verify that the state is the constructor state again? The callback is performed before each freeing of an object. I would think that it is much easier to check the object state manually before the free. That also places the check near the code object manipulation of the object. Also the SLAB_DEBUG_INITIAL callback is only performed if the kernel was compiled with SLAB debugging on. If there would be code in a constructor handling SLAB_DEBUG_INITIAL then it would have to be conditional on SLAB_DEBUG otherwise it would just be dead code. But there is no such code in the kernel. I think SLUB_DEBUG_INITIAL is too problematic to make real use of, difficult to understand and there are easier ways to accomplish the same effect (i.e. add debug code before kfree). There is a related flag SLAB_CTOR_VERIFY that is frequently checked to be clear in fs inode caches. Remove the pointless checks (they would even be pointless without removeal of SLAB_DEBUG_INITIAL) from the fs constructors. This is the last slab flag that SLUB did not support. Remove the check for unimplemented flags from SLUB. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		18 years ago
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Makefile	[PATCH] eCryptfs: Public key; packet management	18 years ago
crypto.c	[PATCH] eCryptfs: open-code flag checking and manipulation	18 years ago
debug.c	[PATCH] eCryptfs: open-code flag checking and manipulation	18 years ago
dentry.c	[PATCH] eCryptfs: fix possible NULL ptr deref in ecryptfs_d_release()	18 years ago
ecryptfs_kernel.h	[PATCH] eCryptfs: Reduce stack usage in ecryptfs_generate_key_packet_set()	18 years ago
file.c	[PATCH] eCryptfs: set O_LARGEFILE when opening lower file	18 years ago
inode.c	[PATCH] ecryptfs: nested locking annotation	18 years ago
keystore.c	[PATCH] eCryptfs: Reduce stack usage in ecryptfs_generate_key_packet_set()	18 years ago
main.c	slab allocators: Remove SLAB_DEBUG_INITIAL flag	18 years ago
messaging.c	[PATCH] ecryptfs: fix forgotten format specifier	18 years ago
mmap.c	mm: make read_cache_page synchronous	18 years ago
netlink.c	[NETLINK]: Switch cb_lock spinlock to mutex and allow to override it	18 years ago
super.c	[PATCH] Mark struct super_operations const	18 years ago