Two small cleanups for mm/page_alloc.

Patch 1 cleans up a misleading comment about how pcp->batch is calculated,
and folds in the calculation to increase clarity. No functional change
intended.

Patch 2 corrects zones from reporting that their pcp->batch is 0 when it
is actually 1. Namely, corrects ZONE_DMA from reporting that its batch
size is 0.

Joshua Hahn (2):
  mm/page_alloc: Clarify batch tuning in zone_batchsize
  mm/page_alloc: Prevent reporting pcp->batch = 0

 mm/page_alloc.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)


base-commit: ec714e371f22f716a04e6ecb2a24988c92b26911
-- 
2.47.3