diff options
| author | Varun Wadekar <vwadekar@nvidia.com> | 2012-08-13 14:23:04 +0530 |
|---|---|---|
| committer | Varun Wadekar <vwadekar@nvidia.com> | 2012-08-13 14:23:04 +0530 |
| commit | 82cfe176157cf926133dea3a8879135bf20b9af2 (patch) | |
| tree | 8efe310a6dd0d411399ce299aecfaf3bd96de393 /mm | |
| parent | 564e6b431e9696d6b7186d120d563a74ae290092 (diff) | |
| parent | 8067fa23092f2c4e18c29c90f7d5bb765dbf8954 (diff) | |
Merge commit 'v3.4.8' into android-t114-3.4-rebased
Linux v3.4.8
Conflicts:
drivers/net/tun.c
kernel/power/suspend.c
Change-Id: Ia26546425cd20f127dbf4dd58cfca41bda47d23d
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memory-failure.c | 14 | ||||
| -rw-r--r-- | mm/vmscan.c | 5 |
2 files changed, 12 insertions, 7 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 97cc2733551a..0de20d7168f7 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -345,14 +345,14 @@ static void add_to_kill(struct task_struct *tsk, struct page *p, * Also when FAIL is set do a force kill because something went * wrong earlier. */ -static void kill_procs(struct list_head *to_kill, int doit, int trapno, +static void kill_procs(struct list_head *to_kill, int forcekill, int trapno, int fail, struct page *page, unsigned long pfn, int flags) { struct to_kill *tk, *next; list_for_each_entry_safe (tk, next, to_kill, nd) { - if (doit) { + if (forcekill) { /* * In case something went wrong with munmapping * make sure the process doesn't catch the @@ -858,7 +858,7 @@ static int hwpoison_user_mappings(struct page *p, unsigned long pfn, struct address_space *mapping; LIST_HEAD(tokill); int ret; - int kill = 1; + int kill = 1, forcekill; struct page *hpage = compound_head(p); struct page *ppage; @@ -888,7 +888,7 @@ static int hwpoison_user_mappings(struct page *p, unsigned long pfn, * be called inside page lock (it's recommended but not enforced). */ mapping = page_mapping(hpage); - if (!PageDirty(hpage) && mapping && + if (!(flags & MF_MUST_KILL) && !PageDirty(hpage) && mapping && mapping_cap_writeback_dirty(mapping)) { if (page_mkclean(hpage)) { SetPageDirty(hpage); @@ -965,12 +965,14 @@ static int hwpoison_user_mappings(struct page *p, unsigned long pfn, * Now that the dirty bit has been propagated to the * struct page and all unmaps done we can decide if * killing is needed or not. Only kill when the page - * was dirty, otherwise the tokill list is merely + * was dirty or the process is not restartable, + * otherwise the tokill list is merely * freed. When there was a problem unmapping earlier * use a more force-full uncatchable kill to prevent * any accesses to the poisoned memory. */ - kill_procs(&tokill, !!PageDirty(ppage), trapno, + forcekill = PageDirty(ppage) || (flags & MF_MUST_KILL); + kill_procs(&tokill, forcekill, trapno, ret != SWAP_SUCCESS, p, pfn, flags); return ret; diff --git a/mm/vmscan.c b/mm/vmscan.c index 4607cc62b1d9..be5bc0af2e76 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -3013,7 +3013,10 @@ static void kswapd_try_to_sleep(pg_data_t *pgdat, int order, int classzone_idx) * them before going back to sleep. */ set_pgdat_percpu_threshold(pgdat, calculate_normal_threshold); - schedule(); + + if (!kthread_should_stop()) + schedule(); + set_pgdat_percpu_threshold(pgdat, calculate_pressure_threshold); } else { if (remaining) |