From: Andrew Morton Date: Sun, 8 Jan 2006 09:00:28 +0000 (-0800) Subject: [PATCH] revert "mm: page_state fixes" X-Git-Tag: MMI-PSA29.97-13-9~53639 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=84c2008af01132c4ca257ed9b595693c611df15d;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git [PATCH] revert "mm: page_state fixes" Hugh says: page_alloc_cpu_notify() specifically contains code to /* Add dead cpu's page_states to our own. */ which handles this more efficiently. Cc: Hugh Dickins Cc: Nick Piggin Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/mm/page_alloc.c b/mm/page_alloc.c index fd47494cb989..0b98f428b07b 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1204,6 +1204,7 @@ static void __get_page_state(struct page_state *ret, int nr, cpumask_t *cpumask) int cpu = 0; memset(ret, 0, sizeof(*ret)); + cpus_and(*cpumask, *cpumask, cpu_online_map); cpu = first_cpu(*cpumask); while (cpu < NR_CPUS) { @@ -1256,7 +1257,7 @@ unsigned long read_page_state_offset(unsigned long offset) unsigned long ret = 0; int cpu; - for_each_cpu(cpu) { + for_each_online_cpu(cpu) { unsigned long in; in = (unsigned long)&per_cpu(page_states, cpu) + offset;