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authorNick Piggin <nickpiggin@yahoo.com.au>2006-01-06 11:10:58 +0300
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-06 19:33:25 +0300
commit13e7444b0ec59f96d81a4e8c379d5f38fc5f2cc1 (patch)
tree95420c03993981fd778047563c5af3f7dbdba74f /lib
parent92be2e33b155ee76399f51f41fb061f850d02f08 (diff)
downloadlinux-13e7444b0ec59f96d81a4e8c379d5f38fc5f2cc1.tar.xz
[PATCH] mm: remove bad_range
bad_range is supposed to be a temporary check. It would be a pity to throw it out. Make it depend on CONFIG_DEBUG_VM instead. CONFIG_HOLES_IN_ZONE systems were relying on this to check pfn_valid in the page allocator. Add that to page_is_buddy instead. Signed-off-by: Nick Piggin <npiggin@suse.de> Cc: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/Kconfig.debug3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 156822e3cc79..1cedc2356b78 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -172,7 +172,8 @@ config DEBUG_VM
bool "Debug VM"
depends on DEBUG_KERNEL
help
- Enable this to debug the virtual-memory system.
+ Enable this to turn on extended checks in the virtual-memory system
+ that may impact performance.
If unsure, say N.