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authorDean Nelson <dcn@sgi.com>2006-06-23 02:03:21 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-23 07:42:49 -0700
commit929f97276bcf7f4a95272ed08a85339b98ba210d (patch)
tree4975698af9559279c83e4e268213ed13e3efee9a /lib/radix-tree.c
parent833423143c3a7c6545e409d65febd0d92deb351b (diff)
downloadlinux-linaro-android-929f97276bcf7f4a95272ed08a85339b98ba210d.tar.gz
[PATCH] change gen_pool allocator to not touch managed memory
Modify the gen_pool allocator (lib/genalloc.c) to utilize a bitmap scheme instead of the buddy scheme. The purpose of this change is to eliminate the touching of the actual memory being allocated. Since the change modifies the interface, a change to the uncached allocator (arch/ia64/kernel/uncached.c) is also required. Both Andrey Volkov and Jes Sorenson have expressed a desire that the gen_pool allocator not write to the memory being managed. See the following: http://marc.theaimsgroup.com/?l=linux-kernel&m=113518602713125&w=2 http://marc.theaimsgroup.com/?l=linux-kernel&m=113533568827916&w=2 Signed-off-by: Dean Nelson <dcn@sgi.com> Cc: Andrey Volkov <avolkov@varma-el.com> Acked-by: Jes Sorensen <jes@trained-monkey.org> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'lib/radix-tree.c')
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