On 2020/5/6 11:47, Leizhen (ThunderTown) wrote:
>
>
> On 2020/5/6 9:33, Leizhen (ThunderTown) wrote:
>>
>>
>> On 2020/5/6 1:25, Matthew Wilcox wrote:
>>> On Tue, May 05, 2020 at 07:55:41PM +0800, Zhen Lei wrote:
+++ b/mm/swapfile.c
@@ -177,8 +177,8 @@ static int discard_swap(struct s
On 2020/5/6 9:33, Leizhen (ThunderTown) wrote:
>
>
> On 2020/5/6 1:25, Matthew Wilcox wrote:
>> On Tue, May 05, 2020 at 07:55:41PM +0800, Zhen Lei wrote:
>>> +++ b/mm/swapfile.c
>>> @@ -177,8 +177,8 @@ static int discard_swap(struct swap_info_struct *si)
>>>
>>> /* Do not discard the swa
On 2020/5/6 1:25, Matthew Wilcox wrote:
> On Tue, May 05, 2020 at 07:55:41PM +0800, Zhen Lei wrote:
>> +++ b/mm/swapfile.c
>> @@ -177,8 +177,8 @@ static int discard_swap(struct swap_info_struct *si)
>>
>> /* Do not discard the swap header page! */
>> se = first_se(si);
>> -start_
On Tue, May 05, 2020 at 07:55:41PM +0800, Zhen Lei wrote:
> +++ b/mm/swapfile.c
> @@ -177,8 +177,8 @@ static int discard_swap(struct swap_info_struct *si)
>
> /* Do not discard the swap header page! */
> se = first_se(si);
> - start_block = (se->start_block + 1) << (PAGE_SHIFT - 9
1. Replace "PAGE_SHIFT - 9" with SECTORS_PER_PAGE_SHIFT
Signed-off-by: Zhen Lei
---
mm/page_io.c | 4 ++--
mm/swapfile.c | 12 ++--
2 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/mm/page_io.c b/mm/page_io.c
index b1d4f4558e6b..51f25238fd9a 100644
--- a/mm/page_io.c
+++
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