tree 3c2cf7e13ecf991c58ffc00617757fcdeb3d863f
parent ebe29738f3934ad6a93c8bd76e30aa5d797a269d
author Christoph Lameter <clameter@sgi.com> 1165465982 -0800
committer Linus Torvalds <torvalds@woody.osdl.org> 1165509563 -0800

[PATCH] drain_node_page(): Drain pages in batch units

drain_node_pages() currently drains the complete pageset of all pages.  If
there are a large number of pages in the queues then we may hold off
interrupts for too long.

Duplicate the method used in free_hot_cold_page.  Only drain pcp->batch
pages at one time.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>