#include <linux/backing-dev.h>
#include <linux/fault-inject.h>
#include <linux/page-isolation.h>
-#include <linux/page_cgroup.h>
#include <linux/debugobjects.h>
#include <linux/kmemleak.h>
#include <linux/compaction.h>
bad_reason = "PAGE_FLAGS_CHECK_AT_FREE flag(s) set";
bad_flags = PAGE_FLAGS_CHECK_AT_FREE;
}
- if (unlikely(mem_cgroup_bad_page_check(page)))
- bad_reason = "cgroup check failed";
+#ifdef CONFIG_MEMCG
+ if (unlikely(page->mem_cgroup))
+ bad_reason = "page still charged to cgroup";
+#endif
if (unlikely(bad_reason)) {
bad_page(page, bad_reason, bad_flags);
return 1;
bad_reason = "PAGE_FLAGS_CHECK_AT_PREP flag set";
bad_flags = PAGE_FLAGS_CHECK_AT_PREP;
}
- if (unlikely(mem_cgroup_bad_page_check(page)))
- bad_reason = "cgroup check failed";
+#ifdef CONFIG_MEMCG
+ if (unlikely(page->mem_cgroup))
+ bad_reason = "page still charged to cgroup";
+#endif
if (unlikely(bad_reason)) {
bad_page(page, bad_reason, bad_flags);
return 1;
unsigned long mark, int classzone_idx, int alloc_flags,
long free_pages)
{
- /* free_pages my go negative - that's OK */
+ /* free_pages may go negative - that's OK */
long min = mark;
int o;
long free_cma = 0;
int classzone_idx, int migratetype, enum migrate_mode mode,
int *contended_compaction, bool *deferred_compaction)
{
- struct zone *last_compact_zone = NULL;
unsigned long compact_result;
struct page *page;
compact_result = try_to_compact_pages(zonelist, order, gfp_mask,
nodemask, mode,
contended_compaction,
- alloc_flags, classzone_idx,
- &last_compact_zone);
+ alloc_flags, classzone_idx);
current->flags &= ~PF_MEMALLOC;
switch (compact_result) {
*/
count_vm_event(COMPACTSTALL);
- /* Page migration frees to the PCP lists but we want merging */
- drain_pages(get_cpu());
- put_cpu();
-
page = get_page_from_freelist(gfp_mask, nodemask,
order, zonelist, high_zoneidx,
alloc_flags & ~ALLOC_NO_WATERMARKS,
return page;
}
- /*
- * last_compact_zone is where try_to_compact_pages thought allocation
- * should succeed, so it did not defer compaction. But here we know
- * that it didn't succeed, so we do the defer.
- */
- if (last_compact_zone && mode != MIGRATE_ASYNC)
- defer_compaction(last_compact_zone, order);
-
/*
* It's bad if compaction run occurs and fails. The most likely reason
* is that pages exist, but not enough to satisfy watermarks.
#endif
init_waitqueue_head(&pgdat->kswapd_wait);
init_waitqueue_head(&pgdat->pfmemalloc_wait);
- pgdat_page_cgroup_init(pgdat);
for (j = 0; j < MAX_NR_ZONES; j++) {
struct zone *zone = pgdat->node_zones + j;