On 5/13/07, Simon Arlott <[email protected]> wrote:
On 12/05/07 19:23, Jens Axboe wrote:
> Hi,
>
> This has bothered me for a long time, and it just seems to be getting
> worse. Can people please STOP defaulting non-essential stuff to 'y'?
> Grrr.
Is there a reason why various 10/100/1000Mbit network cards are 'y' too?
There's even a default SCSI 'm' that seems to be completely hidden from
the menu too (CONFIG_SCSI_WAIT_SCAN). It depends on SCSI but I can't
disable SCSI...
Yeah, I've seen a lot of unnecessary default y's too, seems to be a
contagious disease.
And there are another kind of (harmless) default y's too, that don't really
force unnecessary compilation and linking of stuff into the kernel at all,
ones like (21-mm2's) init/Kconfig: SLUB_DEBUG = default y (it's
completely contained in mm/slub.c and not exposed to mm/Makefile),
but it still seems funny to find a spurious CONFIG_SLUB_DEBUG=y in
your .config when you also have # CONFIG_SLUB is not set.
Do we care enough to fix such cases too? This was a one-liner, so
including a patch anyway, CC'ing to Andrew and Christoph.
---
Prevent SLUB_DEBUG from being set if SLUB is not. SLUB_DEBUG
without SLUB does not cause anything to be compiled or linked in
anyway, so this is not critical, but simply removes a spurious
CONFIG_SLUB_DEBUG=y from creeping into the .config even when
CONFIG_SLUB is not set.
Signed-off-by: Satyam Sharma <[email protected]>
---
diff -ruNp a-mm2/init/Kconfig b-mm2/init/Kconfig
--- a-mm2/init/Kconfig 2007-05-10 23:19:36.000000000 +0530
+++ b-mm2/init/Kconfig 2007-05-13 02:33:21.000000000 +0530
@@ -567,7 +567,7 @@ config VM_EVENT_COUNTERS
if VM event counters are disabled.
config SLUB_DEBUG
- default y
+ default y if SLUB
bool "Enable SLUB debugging support" if EMBEDDED
help
SLUB has extensive debug support features. Disabling these can
-
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