From: Tejun Heo <tj@kernel.org>
To: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-arm-kernel@lists.infradead.org,
Yinghai Lu <yinghai@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Grygorii Strashko <grygorii.strashko@ti.com>
Subject: Re: [PATCH v3 08/23] mm/memblock: Add memblock memory allocation apis
Date: Fri, 13 Dec 2013 16:37:35 -0500 [thread overview]
Message-ID: <20131213213735.GM27070@htj.dyndns.org> (raw)
In-Reply-To: <1386625856-12942-9-git-send-email-santosh.shilimkar@ti.com>
On Mon, Dec 09, 2013 at 04:50:41PM -0500, Santosh Shilimkar wrote:
> Introduce memblock memory allocation APIs which allow to support
> PAE or LPAE extension on 32 bits archs where the physical memory
> start address can be beyond 4GB. In such cases, existing bootmem
> APIs which operate on 32 bit addresses won't work and needs
> memblock layer which operates on 64 bit addresses.
The overall API looks good to me. Thanks for doing this!
> +static void * __init memblock_virt_alloc_internal(
> + phys_addr_t size, phys_addr_t align,
> + phys_addr_t min_addr, phys_addr_t max_addr,
> + int nid)
> +{
> + phys_addr_t alloc;
> + void *ptr;
> +
> + if (nid == MAX_NUMNODES)
> + pr_warn("%s: usage of MAX_NUMNODES is depricated. Use NUMA_NO_NODE\n",
> + __func__);
Why not use WARN_ONCE()? Also, shouldn't nid be set to NUMA_NO_NODE
here?
...
> + if (nid != NUMA_NO_NODE) {
Otherwise, the above test is broken.
> + alloc = memblock_find_in_range_node(size, align, min_addr,
> + max_addr, NUMA_NO_NODE);
> + if (alloc)
> + goto done;
> + }
Thanks.
--
tejun
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next prev parent reply other threads:[~2013-12-13 21:37 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-09 21:50 [PATCH v3 00/23] mm: Use memblock interface instead of bootmem Santosh Shilimkar
2013-12-09 21:50 ` [PATCH v3 01/23] mm/memblock: debug: correct displaying of upper memory boundary Santosh Shilimkar
2013-12-09 21:56 ` Felipe Balbi
2013-12-09 22:39 ` Santosh Shilimkar
2013-12-09 21:50 ` [PATCH v3 02/23] mm/memblock: debug: don't free reserved array if !ARCH_DISCARD_MEMBLOCK Santosh Shilimkar
2013-12-10 0:11 ` Andrew Morton
2013-12-10 16:44 ` Grygorii Strashko
2013-12-09 21:50 ` [PATCH v3 03/23] mm/bootmem: remove duplicated declaration of __free_pages_bootmem() Santosh Shilimkar
2013-12-09 21:50 ` [PATCH v3 04/23] mm/memblock: remove unnecessary inclusions of bootmem.h Santosh Shilimkar
2013-12-09 21:50 ` [PATCH v3 05/23] mm/memblock: drop WARN and use SMP_CACHE_BYTES as a default alignment Santosh Shilimkar
2013-12-13 21:21 ` Tejun Heo
2013-12-09 21:50 ` [PATCH v3 06/23] mm/memblock: reorder parameters of memblock_find_in_range_node Santosh Shilimkar
2013-12-13 21:22 ` Tejun Heo
2013-12-09 21:50 ` [PATCH v3 07/23] mm/memblock: switch to use NUMA_NO_NODE instead of MAX_NUMNODES Santosh Shilimkar
2013-12-13 21:29 ` Tejun Heo
2013-12-14 0:44 ` Santosh Shilimkar
2013-12-09 21:50 ` [PATCH v3 08/23] mm/memblock: Add memblock memory allocation apis Santosh Shilimkar
2013-12-10 0:25 ` Andrew Morton
2013-12-10 16:04 ` Santosh Shilimkar
2013-12-13 21:37 ` Tejun Heo [this message]
2013-12-14 0:52 ` Santosh Shilimkar
2013-12-14 11:08 ` Tejun Heo
2013-12-14 19:48 ` Santosh Shilimkar
2013-12-20 22:30 ` Santosh Shilimkar
2013-12-09 21:50 ` [PATCH v3 09/23] mm/init: Use memblock apis for early memory allocations Santosh Shilimkar
2013-12-09 21:50 ` [PATCH v3 10/23] mm/printk: " Santosh Shilimkar
2013-12-09 21:50 ` [PATCH v3 11/23] mm/page_alloc: " Santosh Shilimkar
2013-12-09 21:50 ` [PATCH v3 12/23] mm/power: " Santosh Shilimkar
2013-12-09 21:50 ` [PATCH v3 13/23] mm/lib/swiotlb: " Santosh Shilimkar
2013-12-13 1:08 ` Andrew Morton
2013-12-13 1:24 ` Santosh Shilimkar
2013-12-09 21:50 ` [PATCH v3 14/23] mm/lib/cpumask: " Santosh Shilimkar
2013-12-09 21:50 ` [PATCH v3 15/23] mm/sparse: " Santosh Shilimkar
2013-12-09 21:50 ` [PATCH v3 16/23] mm/hugetlb: " Santosh Shilimkar
2013-12-09 21:50 ` [PATCH v3 17/23] mm/page_cgroup: " Santosh Shilimkar
2013-12-09 21:50 ` [PATCH v3 18/23] mm/percpu: " Santosh Shilimkar
2013-12-09 21:50 ` [PATCH v3 19/23] mm/memory_hotplug: " Santosh Shilimkar
2013-12-09 21:50 ` [PATCH v3 20/23] mm/firmware: " Santosh Shilimkar
2013-12-09 21:50 ` [PATCH v3 21/23] mm/ARM: kernel: " Santosh Shilimkar
2013-12-09 21:50 ` [PATCH v3 22/23] mm/ARM: mm: " Santosh Shilimkar
2013-12-09 21:50 ` [PATCH v3 23/23] mm/ARM: OMAP: " Santosh Shilimkar
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