[PATCH 4/5] lumpy: update commentry on subtle comparisons and rounding assumptions

We have a number of subtle comparisons when scanning a block, and we make use of a lot of buddy mem_map guarentees. Add commentary about each. Signed-off-by: Andy Whitcroft <[EMAIL PROTECTED]> --- diff --git a/mm/vmscan.c b/mm/vmscan.c index 2bfad79..bef7e92 100644 --- a/mm/vmscan.c +++

[PATCH 4/5] lumpy: update commentry on subtle comparisons and rounding assumptions

We have a number of subtle comparisons when scanning a block, and we make use of a lot of buddy mem_map guarentees. Add commentary about each. Signed-off-by: Andy Whitcroft [EMAIL PROTECTED] --- diff --git a/mm/vmscan.c b/mm/vmscan.c index 2bfad79..bef7e92 100644 --- a/mm/vmscan.c +++