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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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802	…
8021q	[NET]: Rework dev_base via list_head (v3)	18 years ago
appletalk	…
atm	…
ax25	[NET]: cleanup extra semicolons	18 years ago
bluetooth	[BLUETOOTH] rfcomm_worker(): fix wakeup race	18 years ago
bridge	…
core	…
dccp	…
decnet	[NET]: Rework dev_base via list_head (v3)	18 years ago
econet	…
ethernet	[SK_BUFF]: Introduce skb_reset_mac_header(skb)	18 years ago
ieee80211	…
ipv4	…
ipv6	…
ipx	…
irda	…
iucv	…
key	[NET]: cleanup extra semicolons	18 years ago
lapb	…
llc	…
mac80211	…
netfilter	…
netlabel	…
netlink	…
netrom	[NET]: Rework dev_base via list_head (v3)	18 years ago
packet	…
rose	…
rxrpc	…
sched	…
sctp	…
sunrpc	slab allocators: Remove SLAB_DEBUG_INITIAL flag	18 years ago
tipc	…
unix	[SK_BUFF]: Introduce skb_reset_transport_header(skb)	18 years ago
wanrouter	…
wireless	[WIRELESS] cfg80211: Clarify locking comment.	18 years ago
x25	…
xfrm	…
Kconfig	…
Makefile	…
TUNABLE	…
compat.c	…
nonet.c	…
socket.c	slab allocators: Remove SLAB_DEBUG_INITIAL flag	18 years ago
sysctl_net.c	…