[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>
This commit is contained in:
Nick Piggin
2006-01-06 00:10:58 -08:00
committed by Linus Torvalds
parent 92be2e33b1
commit 13e7444b0e
2 changed files with 21 additions and 8 deletions

View File

@@ -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.