From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
benh@kernel.crashing.org, paulus@samba.org
Cc: linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org
Subject: Re: [v4, 1/3] mm/hugetlb: Allow arch to override and call the weak function
Date: Fri, 18 Aug 2017 22:50:58 +1000 (AEST) [thread overview]
Message-ID: <3xYjcf4rldz9t30@ozlabs.org> (raw)
In-Reply-To: <20170728050127.28338-1-aneesh.kumar@linux.vnet.ibm.com>
On Fri, 2017-07-28 at 05:01:25 UTC, "Aneesh Kumar K.V" wrote:
> When running in guest mode ppc64 supports a different mechanism for hugetlb
> allocation/reservation. The LPAR management application called HMC can
> be used to reserve a set of hugepages and we pass the details of
> reserved pages via device tree to the guest. (more details in
> htab_dt_scan_hugepage_blocks()) . We do the memblock_reserve of the range
> and later in the boot sequence, we add the reserved range to huge_boot_pages.
>
> But to enable 16G hugetlb on baremetal config (when we are not running as guest)
> we want to do memblock reservation during boot. Generic code already does this
>
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Series applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/e24a1307ba1f99fc62a0bd61d5e87f
cheers
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prev parent reply other threads:[~2017-08-18 12:51 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-28 5:01 [PATCH v4 " Aneesh Kumar K.V
2017-07-28 5:01 ` [PATCH v4 2/3] powerpc/mm/hugetlb: Add support for reserving gigantic huge pages via kernel command line Aneesh Kumar K.V
2017-08-02 6:13 ` Christophe LEROY
2017-08-02 7:31 ` Aneesh Kumar K.V
2017-08-02 8:10 ` Christophe LEROY
2017-08-02 8:52 ` Christophe LEROY
2017-07-28 5:01 ` [PATCH v4 3/3] powerpc/mm/hugetlb: Allow runtime allocation of 16G Aneesh Kumar K.V
2017-08-15 13:20 ` [PATCH v4 1/3] mm/hugetlb: Allow arch to override and call the weak function Michael Ellerman
2017-08-18 12:50 ` Michael Ellerman [this message]
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