diff options
| author | Shannon Zhao <shannon.zhao@linaro.org> | 2015-05-26 20:43:27 +0800 |
|---|---|---|
| committer | Shannon Zhao <shannon.zhao@linaro.org> | 2015-05-26 20:50:44 +0800 |
| commit | 7e04a8803c644b0e1d90b59da24a6e1925082730 (patch) | |
| tree | 3b3c82501cc06506f2596435365099973ca81fba /mm | |
| parent | a524c44bc75336d0b9d9b45ceb30e19354ff780e (diff) | |
| parent | 13253707013a08ce5a279ebd029fa10230172458 (diff) | |
Merge branch 'linux-3.14.y' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into linux-linaro-lsk-v3.14
Conflicts:
arch/arm/include/asm/kvm_mmu.h
arch/arm/kvm/mmu.c
arch/arm64/include/asm/kvm_arm.h
arch/arm64/include/asm/kvm_mmu.h
arch/arm64/kvm/sys_regs.c
virt/kvm/arm/vgic.c
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memory-failure.c | 16 | ||||
| -rw-r--r-- | mm/page-writeback.c | 6 |
2 files changed, 11 insertions, 11 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index ffc7bf0458fb..9502057c3c54 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1149,10 +1149,10 @@ int memory_failure(unsigned long pfn, int trapno, int flags) * The check (unnecessarily) ignores LRU pages being isolated and * walked by the page reclaim code, however that's not a big loss. */ - if (!PageHuge(p) && !PageTransTail(p)) { - if (!PageLRU(p)) - shake_page(p, 0); - if (!PageLRU(p)) { + if (!PageHuge(p)) { + if (!PageLRU(hpage)) + shake_page(hpage, 0); + if (!PageLRU(hpage)) { /* * shake_page could have turned it free. */ @@ -1723,12 +1723,12 @@ int soft_offline_page(struct page *page, int flags) } else if (ret == 0) { /* for free pages */ if (PageHuge(page)) { set_page_hwpoison_huge_page(hpage); - dequeue_hwpoisoned_huge_page(hpage); - atomic_long_add(1 << compound_order(hpage), + if (!dequeue_hwpoisoned_huge_page(hpage)) + atomic_long_add(1 << compound_order(hpage), &num_poisoned_pages); } else { - SetPageHWPoison(page); - atomic_long_inc(&num_poisoned_pages); + if (!TestSetPageHWPoison(page)) + atomic_long_inc(&num_poisoned_pages); } } unset_migratetype_isolate(page, MIGRATE_MOVABLE); diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 51d8d15f48d7..656a5490f693 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -601,7 +601,7 @@ static long long pos_ratio_polynom(unsigned long setpoint, long x; x = div64_s64(((s64)setpoint - (s64)dirty) << RATELIMIT_CALC_SHIFT, - limit - setpoint + 1); + (limit - setpoint) | 1); pos_ratio = x; pos_ratio = pos_ratio * x >> RATELIMIT_CALC_SHIFT; pos_ratio = pos_ratio * x >> RATELIMIT_CALC_SHIFT; @@ -828,7 +828,7 @@ static unsigned long bdi_position_ratio(struct backing_dev_info *bdi, * scale global setpoint to bdi's: * bdi_setpoint = setpoint * bdi_thresh / thresh */ - x = div_u64((u64)bdi_thresh << 16, thresh + 1); + x = div_u64((u64)bdi_thresh << 16, thresh | 1); bdi_setpoint = setpoint * (u64)x >> 16; /* * Use span=(8*write_bw) in single bdi case as indicated by @@ -843,7 +843,7 @@ static unsigned long bdi_position_ratio(struct backing_dev_info *bdi, if (bdi_dirty < x_intercept - span / 4) { pos_ratio = div64_u64(pos_ratio * (x_intercept - bdi_dirty), - x_intercept - bdi_setpoint + 1); + (x_intercept - bdi_setpoint) | 1); } else pos_ratio /= 4; |