xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'master' into for-next

Browse Source
This commit is contained in:
Jiri Kosina
2010-04-23 02:08:44 +02:00
parent 4cb3ca7cd7 c81eddb0e3
commit 6c9468e9eb
5526 changed files with 96639 additions and 43583 deletions
Download Patch File Download Diff File Expand all files Collapse all files

68
mm/memcontrol.c
View File

@@ -1359,16 +1359,19 @@ void mem_cgroup_update_file_mapped(struct page *page, int val)
lock_page_cgroup(pc);
mem = pc->mem_cgroup;
if (!mem)
goto done;
if (!PageCgroupUsed(pc))
if (!mem || !PageCgroupUsed(pc))
goto done;
/*
* Preemption is already disabled. We can use __this_cpu_xxx
*/
__this_cpu_add(mem->stat->count[MEM_CGROUP_STAT_FILE_MAPPED], val);
if (val > 0) {
__this_cpu_inc(mem->stat->count[MEM_CGROUP_STAT_FILE_MAPPED]);
SetPageCgroupFileMapped(pc);
} else {
__this_cpu_dec(mem->stat->count[MEM_CGROUP_STAT_FILE_MAPPED]);
ClearPageCgroupFileMapped(pc);
}
done:
unlock_page_cgroup(pc);
@@ -1801,16 +1804,13 @@ static void __mem_cgroup_commit_charge(struct mem_cgroup *mem,
static void __mem_cgroup_move_account(struct page_cgroup *pc,
struct mem_cgroup *from, struct mem_cgroup *to, bool uncharge)
{
struct page *page;
VM_BUG_ON(from == to);
VM_BUG_ON(PageLRU(pc->page));
VM_BUG_ON(!PageCgroupLocked(pc));
VM_BUG_ON(!PageCgroupUsed(pc));
VM_BUG_ON(pc->mem_cgroup != from);
page = pc->page;
if (page_mapped(page) && !PageAnon(page)) {
if (PageCgroupFileMapped(pc)) {
/* Update mapped_file data for mem_cgroup */
preempt_disable();
__this_cpu_dec(from->stat->count[MEM_CGROUP_STAT_FILE_MAPPED]);
@@ -3691,8 +3691,10 @@ static struct mem_cgroup *mem_cgroup_alloc(void)
else
mem = vmalloc(size);
if (mem)
memset(mem, 0, size);
if (!mem)
return NULL;
memset(mem, 0, size);
mem->stat = alloc_percpu(struct mem_cgroup_stat_cpu);
if (!mem->stat) {
if (size < PAGE_SIZE)
@@ -3946,28 +3948,6 @@ one_by_one:
}
return ret;
}
#else /* !CONFIG_MMU */
static int mem_cgroup_can_attach(struct cgroup_subsys *ss,
struct cgroup *cgroup,
struct task_struct *p,
bool threadgroup)
{
return 0;
}
static void mem_cgroup_cancel_attach(struct cgroup_subsys *ss,
struct cgroup *cgroup,
struct task_struct *p,
bool threadgroup)
{
}
static void mem_cgroup_move_task(struct cgroup_subsys *ss,
struct cgroup *cont,
struct cgroup *old_cont,
struct task_struct *p,
bool threadgroup)
{
}
#endif
/**
* is_target_pte_for_mc - check a pte whether it is valid for move charge
@@ -4330,6 +4310,28 @@ static void mem_cgroup_move_task(struct cgroup_subsys *ss,
}
mem_cgroup_clear_mc();
}
#else /* !CONFIG_MMU */
static int mem_cgroup_can_attach(struct cgroup_subsys *ss,
struct cgroup *cgroup,
struct task_struct *p,
bool threadgroup)
{
return 0;
}
static void mem_cgroup_cancel_attach(struct cgroup_subsys *ss,
struct cgroup *cgroup,
struct task_struct *p,
bool threadgroup)
{
}
static void mem_cgroup_move_task(struct cgroup_subsys *ss,
struct cgroup *cont,
struct cgroup *old_cont,
struct task_struct *p,
bool threadgroup)
{
}
#endif
struct cgroup_subsys mem_cgroup_subsys = {
.name = "memory",