slob: remove bigblock tracking
authorNick Piggin <npiggin@suse.de>
Mon, 16 Jul 2007 06:38:08 +0000 (23:38 -0700)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Mon, 16 Jul 2007 16:05:35 +0000 (09:05 -0700)
commitd87a133fc21d842e3cc285e6bbff727181abec81
tree1f89a5dab95c7813eca37039a94e39c73a797cdc
parent95b35127f13661abb0dc3459042cdb417d21e692
slob: remove bigblock tracking

Remove the bigblock lists in favour of using compound pages and going directly
to the page allocator.  Allocation size is stored in page->private, which also
makes ksize more accurate than it previously was.

Saves ~.5K of code, and 12-24 bytes overhead per >= PAGE_SIZE allocation.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Acked-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/slob.c