From: Tejun Heo <tj@kernel.org>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>,
Sasha Levin <levinsasha928@gmail.com>,
Gavin Shan <shangw@linux.vnet.ibm.com>,
linux-mm <linux-mm@kvack.org>,
linux-kernel@vger.kernel.org,
Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [PATCH for -3.5] memblock: free allocated memblock_reserved_regions later
Date: Fri, 29 Jun 2012 11:32:33 -0700 [thread overview]
Message-ID: <20120629183233.GC21048@google.com> (raw)
In-Reply-To: <1340994477-3122-1-git-send-email-yinghai@kernel.org>
Hello, Yinghai.
Just one nitpick.
On Fri, Jun 29, 2012 at 11:27:57AM -0700, Yinghai Lu wrote:
> /**
> * memblock_double_array - double the size of the memblock regions array
> * @type: memblock type of the regions array being doubled
> @@ -204,6 +192,7 @@ static int __init_memblock memblock_doub
> phys_addr_t new_area_size)
> {
> struct memblock_region *new_array, *old_array;
> + phys_addr_t old_alloc_size, new_alloc_size;
> phys_addr_t old_size, new_size, addr;
> int use_slab = slab_is_available();
> int *in_slab;
> @@ -217,6 +206,12 @@ static int __init_memblock memblock_doub
> /* Calculate new doubled size */
> old_size = type->max * sizeof(struct memblock_region);
> new_size = old_size << 1;
> + /*
> + * We need to allocated new one align to PAGE_SIZE,
> + * so late could free them completely.
An extra space and probably "so we can free them completely later"
fits better.
Thank you!
--
tejun
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WARNING: multiple messages have this Message-ID (diff)
From: Tejun Heo <tj@kernel.org>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>,
Sasha Levin <levinsasha928@gmail.com>,
Gavin Shan <shangw@linux.vnet.ibm.com>,
linux-mm <linux-mm@kvack.org>,
linux-kernel@vger.kernel.org,
Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [PATCH for -3.5] memblock: free allocated memblock_reserved_regions later
Date: Fri, 29 Jun 2012 11:32:33 -0700 [thread overview]
Message-ID: <20120629183233.GC21048@google.com> (raw)
In-Reply-To: <1340994477-3122-1-git-send-email-yinghai@kernel.org>
Hello, Yinghai.
Just one nitpick.
On Fri, Jun 29, 2012 at 11:27:57AM -0700, Yinghai Lu wrote:
> /**
> * memblock_double_array - double the size of the memblock regions array
> * @type: memblock type of the regions array being doubled
> @@ -204,6 +192,7 @@ static int __init_memblock memblock_doub
> phys_addr_t new_area_size)
> {
> struct memblock_region *new_array, *old_array;
> + phys_addr_t old_alloc_size, new_alloc_size;
> phys_addr_t old_size, new_size, addr;
> int use_slab = slab_is_available();
> int *in_slab;
> @@ -217,6 +206,12 @@ static int __init_memblock memblock_doub
> /* Calculate new doubled size */
> old_size = type->max * sizeof(struct memblock_region);
> new_size = old_size << 1;
> + /*
> + * We need to allocated new one align to PAGE_SIZE,
> + * so late could free them completely.
An extra space and probably "so we can free them completely later"
fits better.
Thank you!
--
tejun
next prev parent reply other threads:[~2012-06-29 18:32 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-13 21:38 Early boot panic on machine with lots of memory Sasha Levin
2012-06-14 3:20 ` Tejun Heo
2012-06-14 3:20 ` Tejun Heo
2012-06-14 9:50 ` Sasha Levin
2012-06-14 9:50 ` Sasha Levin
2012-06-14 20:56 ` Yinghai Lu
2012-06-14 20:56 ` Yinghai Lu
2012-06-14 21:34 ` Sasha Levin
2012-06-14 21:34 ` Sasha Levin
2012-06-14 23:57 ` Yinghai Lu
2012-06-14 23:57 ` Yinghai Lu
2012-06-15 0:59 ` Sasha Levin
2012-06-15 0:59 ` Sasha Levin
2012-06-15 2:21 ` Yinghai Lu
2012-06-15 2:21 ` Yinghai Lu
2012-06-15 7:41 ` Sasha Levin
2012-06-15 7:41 ` Sasha Levin
2012-06-18 22:32 ` Tejun Heo
2012-06-18 22:32 ` Tejun Heo
2012-06-18 22:50 ` Sasha Levin
2012-06-18 22:50 ` Sasha Levin
2012-06-19 4:11 ` Gavin Shan
2012-06-19 4:11 ` Gavin Shan
2012-06-19 5:43 ` Yinghai Lu
2012-06-19 5:43 ` Yinghai Lu
2012-06-19 6:09 ` Gavin Shan
2012-06-19 6:09 ` Gavin Shan
2012-06-19 18:12 ` Yinghai Lu
2012-06-19 18:12 ` Yinghai Lu
2012-06-19 21:20 ` Tejun Heo
2012-06-19 21:20 ` Tejun Heo
2012-06-19 21:26 ` Tejun Heo
2012-06-19 21:26 ` Tejun Heo
2012-06-20 2:57 ` Yinghai Lu
2012-06-21 20:17 ` Tejun Heo
2012-06-21 20:17 ` Tejun Heo
2012-06-22 1:47 ` Yinghai Lu
2012-06-22 1:58 ` Yinghai Lu
2012-06-22 18:51 ` Tejun Heo
2012-06-22 18:51 ` Tejun Heo
2012-06-22 19:23 ` Yinghai Lu
2012-06-22 19:23 ` Yinghai Lu
2012-06-22 19:29 ` Tejun Heo
2012-06-22 19:29 ` Tejun Heo
2012-06-22 20:01 ` Yinghai Lu
2012-06-22 20:01 ` Yinghai Lu
2012-06-22 20:14 ` Tejun Heo
2012-06-22 20:14 ` Tejun Heo
2012-06-22 20:23 ` Yinghai Lu
2012-06-22 20:23 ` Yinghai Lu
2012-06-23 2:14 ` Yinghai Lu
2012-06-27 18:13 ` Tejun Heo
2012-06-27 18:13 ` Tejun Heo
2012-06-27 19:22 ` Yinghai Lu
2012-06-27 19:22 ` Yinghai Lu
2012-06-27 19:26 ` Tejun Heo
2012-06-27 19:26 ` Tejun Heo
2012-06-27 21:15 ` Yinghai Lu
2012-06-29 18:27 ` [PATCH for -3.5] memblock: free allocated memblock_reserved_regions later Yinghai Lu
2012-06-29 18:27 ` Yinghai Lu
2012-06-29 18:32 ` Tejun Heo [this message]
2012-06-29 18:32 ` Tejun Heo
2012-06-29 18:38 ` Yinghai Lu
2012-06-29 18:38 ` Yinghai Lu
2012-06-21 20:19 ` Early boot panic on machine with lots of memory Tejun Heo
2012-06-21 20:19 ` Tejun Heo
2012-06-22 10:29 ` Sasha Levin
2012-06-22 10:29 ` Sasha Levin
2012-06-22 18:15 ` Yinghai Lu
2012-06-22 18:15 ` Yinghai Lu
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