From: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
To: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
H Peter Anvin <hpa@zytor.com>, Nick Piggin <npiggin@suse.de>,
Hugh Dickins <hugh@veritas.com>,
Roland Dreier <rdreier@cisco.com>,
Jesse Barnes <jbarnes@virtuousgeek.org>,
Jeremy Fitzhardinge <jeremy@goop.org>,
Arjan van de Ven <arjan@infradead.org>
Cc: linux-kernel@vger.kernel.org,
Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>,
Suresh Siddha <suresh.b.siddha@intel.com>
Subject: [patch 2/8] x86 PAT: set VM_PFNMAP flag in vm_insert_pfn
Date: Wed, 12 Nov 2008 13:26:49 -0800 [thread overview]
Message-ID: <20081112212900.151113000@intel.com> (raw)
In-Reply-To: 20081112212647.259698000@intel.com
[-- Attachment #1: pfnmap_flag.patch --]
[-- Type: text/plain, Size: 726 bytes --]
vm_insert_pfn() is not setting the VM_PFNMAP flag in vma. Fix that.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
---
mm/memory.c | 2 ++
1 file changed, 2 insertions(+)
Index: tip/mm/memory.c
===================================================================
--- tip.orig/mm/memory.c 2008-11-06 09:44:56.000000000 -0800
+++ tip/mm/memory.c 2008-11-10 09:44:47.000000000 -0800
@@ -1444,6 +1444,8 @@ int vm_insert_pfn(struct vm_area_struct
if (addr < vma->vm_start || addr >= vma->vm_end)
return -EFAULT;
+
+ vma->vm_flags |= VM_PFNMAP;
return insert_pfn(vma, addr, pfn, vma->vm_page_prot);
}
EXPORT_SYMBOL(vm_insert_pfn);
--
next prev parent reply other threads:[~2008-11-12 23:21 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-12 21:26 [patch 0/8] x86 PAT: track pfnmap mappings with remap_pfn_range and vm_insert_pfn Venkatesh Pallipadi
2008-11-12 21:26 ` [patch 1/8] x86 PAT: store vm_pgoff for all linear_over_vma_region mappings Venkatesh Pallipadi
2008-11-12 21:26 ` Venkatesh Pallipadi [this message]
2008-11-12 23:23 ` [patch 2/8] x86 PAT: set VM_PFNMAP flag in vm_insert_pfn Nick Piggin
2008-11-13 0:02 ` Pallipadi, Venkatesh
2008-11-13 3:44 ` Nick Piggin
2008-11-13 18:47 ` Pallipadi, Venkatesh
2008-11-14 2:05 ` Nick Piggin
2008-11-14 21:35 ` Pallipadi, Venkatesh
2008-11-17 2:30 ` Nick Piggin
2008-11-18 21:37 ` Ingo Molnar
2008-11-20 23:42 ` Pallipadi, Venkatesh
2008-11-21 0:50 ` Nick Piggin
2008-11-15 7:38 ` Benjamin Herrenschmidt
2008-11-12 21:26 ` [patch 3/8] x86 PAT: Add follow_pfnmp_pte routine to help tracking pfnmap pages Venkatesh Pallipadi
2008-11-12 23:27 ` Nick Piggin
2008-11-12 23:54 ` Pallipadi, Venkatesh
2008-11-12 21:26 ` [patch 4/8] x86 PAT: hooks in generic vm code to help archs to track pfnmap regions Venkatesh Pallipadi
2008-12-16 19:57 ` Andrew Morton
2008-12-16 20:07 ` Pallipadi, Venkatesh
2008-12-16 20:13 ` Andrew Morton
2008-11-12 21:26 ` [patch 5/8] x86 PAT: Implement track/untrack of pfnmap regions for x86 Venkatesh Pallipadi
2008-12-16 20:07 ` Andrew Morton
2008-12-16 23:19 ` Pallipadi, Venkatesh
2008-11-12 21:26 ` [patch 6/8] x86 PAT: change pgprot_noncached to uc_minus instead of strong uc Venkatesh Pallipadi
2008-11-12 21:26 ` [patch 7/8] x86 PAT: add pgprot_writecombine() interface for drivers Venkatesh Pallipadi
2008-11-12 21:26 ` [patch 8/8] x86 PAT: update documentation to cover pgprot and remap_pfn related changes Venkatesh Pallipadi
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