From: Johannes Weiner <hannes@cmpxchg.org>
To: "Wang, Zhi A" <zhi.a.wang@intel.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
Ingo Molnar <mingo@redhat.com>
Subject: Re: [PATCH] mm: mempool: Factor out mempool_refill()
Date: Tue, 15 Dec 2015 16:26:39 -0500 [thread overview]
Message-ID: <20151215212638.GA17162@cmpxchg.org> (raw)
In-Reply-To: <F3B0350DF4CB6849A642218320DE483D4B866043@SHSMSX101.ccr.corp.intel.com>
On Mon, Dec 14, 2015 at 11:09:43AM +0000, Wang, Zhi A wrote:
> This patch factors out mempool_refill() from mempool_resize(). It's reasonable
> that the mempool user wants to refill the pool immdiately when it has chance
> e.g. inside a sleepible context, so that next time in the IRQ context the pool
> would have much more available elements to allocate.
>
> After the refactor, mempool_refill() can also executes with mempool_resize()
> /mempool_alloc/mempool_free() or another mempool_refill().
>
> Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
Who is going to call that function? Adding a new interace usually
comes with a user, or as part of a series that adds users.
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WARNING: multiple messages have this Message-ID (diff)
From: Johannes Weiner <hannes@cmpxchg.org>
To: "Wang, Zhi A" <zhi.a.wang@intel.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
Ingo Molnar <mingo@redhat.com>
Subject: Re: [PATCH] mm: mempool: Factor out mempool_refill()
Date: Tue, 15 Dec 2015 16:26:39 -0500 [thread overview]
Message-ID: <20151215212638.GA17162@cmpxchg.org> (raw)
In-Reply-To: <F3B0350DF4CB6849A642218320DE483D4B866043@SHSMSX101.ccr.corp.intel.com>
On Mon, Dec 14, 2015 at 11:09:43AM +0000, Wang, Zhi A wrote:
> This patch factors out mempool_refill() from mempool_resize(). It's reasonable
> that the mempool user wants to refill the pool immdiately when it has chance
> e.g. inside a sleepible context, so that next time in the IRQ context the pool
> would have much more available elements to allocate.
>
> After the refactor, mempool_refill() can also executes with mempool_resize()
> /mempool_alloc/mempool_free() or another mempool_refill().
>
> Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
Who is going to call that function? Adding a new interace usually
comes with a user, or as part of a series that adds users.
next prev parent reply other threads:[~2015-12-15 21:27 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-13 3:46 [PATCH] mm: mempool: Factor out mempool_refill() Zhi Wang
2015-12-13 15:35 ` Wang, Zhi A
2015-12-14 11:09 ` Wang, Zhi A
2015-12-14 11:09 ` Wang, Zhi A
2015-12-15 21:26 ` Johannes Weiner [this message]
2015-12-15 21:26 ` Johannes Weiner
2015-12-16 3:19 ` Zhi Wang
2015-12-16 3:19 ` Zhi Wang
-- strict thread matches above, loose matches on Subject: below --
2015-12-11 16:23 Zhi Wang
2015-12-11 6:18 Zhi Wang
2015-12-11 6:18 ` Zhi Wang
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