From: Lei Li <lilei@linux.vnet.ibm.com>
To: Michal Hocko <mhocko@suse.cz>
Cc: hannes@cmpxchg.org, tj@kernel.org, akpm@linux-foundation.org,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
cgroups@vger.kernel.org
Subject: Re: [PATCH] Documentation: Update remove_from_page_cache with delete_from_page_cache
Date: Tue, 24 Jun 2014 15:35:55 +0800 [thread overview]
Message-ID: <53A92A5B.4070403@linux.vnet.ibm.com> (raw)
In-Reply-To: <20140623092305.GF9743@dhcp22.suse.cz>
On 06/23/2014 05:23 PM, Michal Hocko wrote:
> On Mon 23-06-14 17:11:19, Lei Li wrote:
>> remove_from_page_cache has been renamed to delete_from_page_cache
>> since Commit 702cfbf9 ("mm: goodbye remove_from_page_cache()"), adapt
>> to it in Memcg documentation.
>>
>> Signed-off-by: Lei Li <lilei@linux.vnet.ibm.com>
> This conflicts with the current mmotm tree because of Johannes' {un}charge rewrite.
> Anyway the comment is not up-to-date anyway. __delete_from_page_cache is
> called from more places and I do not see quite a good reason why to keep
> this in the documentation.
> I would just remove this note as it doesn't serve any useful purpose.
Thanks for your reply.
Just take a quick look at Johannes' patch of rewriting uncharge API. I'll
resend a patch with the note removed.
Thanks,
Lei
>
>> ---
>> Documentation/cgroups/memcg_test.txt | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/Documentation/cgroups/memcg_test.txt b/Documentation/cgroups/memcg_test.txt
>> index 80ac454..b2d6ccc 100644
>> --- a/Documentation/cgroups/memcg_test.txt
>> +++ b/Documentation/cgroups/memcg_test.txt
>> @@ -171,10 +171,10 @@ Under below explanation, we assume CONFIG_MEM_RES_CTRL_SWAP=y.
>> - add_to_page_cache_locked().
>>
>> uncharged at
>> - - __remove_from_page_cache().
>> + - __delete_from_page_cache().
>>
>> The logic is very clear. (About migration, see below)
>> - Note: __remove_from_page_cache() is called by remove_from_page_cache()
>> + Note: __delete_from_page_cache() is called by delete_from_page_cache()
>> and __remove_mapping().
>>
>> 6. Shmem(tmpfs) Page Cache
>> --
>> 1.8.5.3
>>
>> --
>> To unsubscribe, send a message with 'unsubscribe linux-mm' in
>> the body to majordomo@kvack.org. For more info on Linux MM,
>> see: http://www.linux-mm.org/ .
>> Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
WARNING: multiple messages have this Message-ID (diff)
From: Lei Li <lilei@linux.vnet.ibm.com>
To: Michal Hocko <mhocko@suse.cz>
Cc: hannes@cmpxchg.org, tj@kernel.org, akpm@linux-foundation.org,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
cgroups@vger.kernel.org
Subject: Re: [PATCH] Documentation: Update remove_from_page_cache with delete_from_page_cache
Date: Tue, 24 Jun 2014 15:35:55 +0800 [thread overview]
Message-ID: <53A92A5B.4070403@linux.vnet.ibm.com> (raw)
In-Reply-To: <20140623092305.GF9743@dhcp22.suse.cz>
On 06/23/2014 05:23 PM, Michal Hocko wrote:
> On Mon 23-06-14 17:11:19, Lei Li wrote:
>> remove_from_page_cache has been renamed to delete_from_page_cache
>> since Commit 702cfbf9 ("mm: goodbye remove_from_page_cache()"), adapt
>> to it in Memcg documentation.
>>
>> Signed-off-by: Lei Li <lilei@linux.vnet.ibm.com>
> This conflicts with the current mmotm tree because of Johannes' {un}charge rewrite.
> Anyway the comment is not up-to-date anyway. __delete_from_page_cache is
> called from more places and I do not see quite a good reason why to keep
> this in the documentation.
> I would just remove this note as it doesn't serve any useful purpose.
Thanks for your reply.
Just take a quick look at Johannes' patch of rewriting uncharge API. I'll
resend a patch with the note removed.
Thanks,
Lei
>
>> ---
>> Documentation/cgroups/memcg_test.txt | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/Documentation/cgroups/memcg_test.txt b/Documentation/cgroups/memcg_test.txt
>> index 80ac454..b2d6ccc 100644
>> --- a/Documentation/cgroups/memcg_test.txt
>> +++ b/Documentation/cgroups/memcg_test.txt
>> @@ -171,10 +171,10 @@ Under below explanation, we assume CONFIG_MEM_RES_CTRL_SWAP=y.
>> - add_to_page_cache_locked().
>>
>> uncharged at
>> - - __remove_from_page_cache().
>> + - __delete_from_page_cache().
>>
>> The logic is very clear. (About migration, see below)
>> - Note: __remove_from_page_cache() is called by remove_from_page_cache()
>> + Note: __delete_from_page_cache() is called by delete_from_page_cache()
>> and __remove_mapping().
>>
>> 6. Shmem(tmpfs) Page Cache
>> --
>> 1.8.5.3
>>
>> --
>> To unsubscribe, send a message with 'unsubscribe linux-mm' in
>> the body to majordomo@kvack.org. For more info on Linux MM,
>> see: http://www.linux-mm.org/ .
>> Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2014-06-24 7:35 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-23 9:11 [PATCH] Documentation: Update remove_from_page_cache with delete_from_page_cache Lei Li
[not found] ` <20140623092305.GF9743@dhcp22.suse.cz>
2014-06-24 7:35 ` Lei Li [this message]
2014-06-24 7:35 ` Lei Li
-- strict thread matches above, loose matches on Subject: below --
2014-06-19 6:32 Lei Li
2014-06-19 6:32 ` Lei Li
2014-06-19 6:32 ` Lei Li
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