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[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 <hugh@veritas.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andrew Morton 2006-01-08 01:00:28 -08:00 committed by Linus Torvalds
parent 9f5336e218
commit 84c2008af0
1 changed files with 2 additions and 1 deletions
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3
mm/page_alloc.c
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@ -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;