From: Wu Fengguang <fengguang.wu@intel.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Ying Han <yinghan@google.com>,
Wu Fengguang <fengguang.wu@intel.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Mike Waychison <mikew@google.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Rohit Seth <rohitseth@google.com>
Cc: Edwin <edwintorok@gmail.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: LKML <linux-kernel@vger.kernel.org>
Cc: <linux-mm@kvack.org>
Cc: <linux-fsdevel@vger.kernel.org>
Subject: [PATCH 03/14] mm: remove FAULT_FLAG_RETRY dead code
Date: Tue, 07 Apr 2009 19:50:42 +0800 [thread overview]
Message-ID: <20090407115234.083558981@intel.com> (raw)
In-Reply-To: 20090407115039.780820496@intel.com
[-- Attachment #1: memory-fault-retry-simp.patch --]
[-- Type: text/plain, Size: 685 bytes --]
Cc: Ying Han <yinghan@google.com>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
mm/memory.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
--- mm.orig/mm/memory.c
+++ mm/mm/memory.c
@@ -2766,10 +2766,8 @@ static int do_linear_fault(struct mm_str
{
pgoff_t pgoff = (((address & PAGE_MASK)
- vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;
- int write = write_access & ~FAULT_FLAG_RETRY;
- unsigned int flags = (write ? FAULT_FLAG_WRITE : 0);
+ unsigned int flags = (write_access ? FAULT_FLAG_WRITE : 0);
- flags |= (write_access & FAULT_FLAG_RETRY);
pte_unmap(page_table);
return __do_fault(mm, vma, address, pmd, pgoff, flags, orig_pte);
}
--
WARNING: multiple messages have this Message-ID (diff)
From: Wu Fengguang <fengguang.wu@intel.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Ying Han <yinghan@google.com>,
Wu Fengguang <fengguang.wu@intel.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Mike Waychison <mikew@google.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Rohit Seth <rohitseth@google.com>
Cc: Edwin <edwintorok@gmail.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: LKML <linux-kernel@vger.kernel.org>
Cc: <linux-mm@kvack.org>
Cc: <linux-fsdevel@vger.kernel.org>
Subject: [PATCH 03/14] mm: remove FAULT_FLAG_RETRY dead code
Date: Tue, 07 Apr 2009 19:50:42 +0800 [thread overview]
Message-ID: <20090407115234.083558981@intel.com> (raw)
In-Reply-To: 20090407115039.780820496@intel.com
[-- Attachment #1: memory-fault-retry-simp.patch --]
[-- Type: text/plain, Size: 910 bytes --]
Cc: Ying Han <yinghan@google.com>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
mm/memory.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
--- mm.orig/mm/memory.c
+++ mm/mm/memory.c
@@ -2766,10 +2766,8 @@ static int do_linear_fault(struct mm_str
{
pgoff_t pgoff = (((address & PAGE_MASK)
- vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;
- int write = write_access & ~FAULT_FLAG_RETRY;
- unsigned int flags = (write ? FAULT_FLAG_WRITE : 0);
+ unsigned int flags = (write_access ? FAULT_FLAG_WRITE : 0);
- flags |= (write_access & FAULT_FLAG_RETRY);
pte_unmap(page_table);
return __do_fault(mm, vma, address, pmd, pgoff, flags, orig_pte);
}
--
--
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WARNING: multiple messages have this Message-ID (diff)
From: Wu Fengguang <fengguang.wu@intel.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Ying Han <yinghan@google.com>,
Wu Fengguang <fengguang.wu@intel.com>,
David Rientjes <rientjes@google.com>,
Hugh Dickins <hugh@veritas.com>, Ingo Molnar <mingo@elte.hu>,
Lee Schermerhorn <lee.schermerhorn@hp.com>,
Mike Waychison <mikew@google.com>, Nick Piggin <npiggin@suse.de>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Rohit Seth <rohitseth@google.com>, Edwin <edwintorok@gmail.com>,
"H. Peter Anvin" <hpa@zytor.com>,
LKML <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org, linux-fsdevel@vger.kernel.org
Subject: [PATCH 03/14] mm: remove FAULT_FLAG_RETRY dead code
Date: Tue, 07 Apr 2009 19:50:42 +0800 [thread overview]
Message-ID: <20090407115234.083558981@intel.com> (raw)
In-Reply-To: 20090407115039.780820496@intel.com
[-- Attachment #1: memory-fault-retry-simp.patch --]
[-- Type: text/plain, Size: 910 bytes --]
Cc: Ying Han <yinghan@google.com>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
mm/memory.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
--- mm.orig/mm/memory.c
+++ mm/mm/memory.c
@@ -2766,10 +2766,8 @@ static int do_linear_fault(struct mm_str
{
pgoff_t pgoff = (((address & PAGE_MASK)
- vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;
- int write = write_access & ~FAULT_FLAG_RETRY;
- unsigned int flags = (write ? FAULT_FLAG_WRITE : 0);
+ unsigned int flags = (write_access ? FAULT_FLAG_WRITE : 0);
- flags |= (write_access & FAULT_FLAG_RETRY);
pte_unmap(page_table);
return __do_fault(mm, vma, address, pmd, pgoff, flags, orig_pte);
}
--
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2009-04-07 12:03 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-07 11:50 [PATCH 00/14] filemap and readahead fixes Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` [PATCH 01/14] mm: fix find_lock_page_retry() return value parsing Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` [PATCH 02/14] mm: fix major/minor fault accounting on retried fault Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang [this message]
2009-04-07 11:50 ` [PATCH 03/14] mm: remove FAULT_FLAG_RETRY dead code Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` [PATCH 04/14] mm: reduce duplicate page fault code Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` [PATCH 05/14] readahead: account mmap_miss for VM_FAULT_RETRY Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` [PATCH 06/14] readahead: move max_sane_readahead() calls into force_page_cache_readahead() Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` [PATCH 07/14] readahead: apply max_sane_readahead() limit in ondemand_readahead() Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` [PATCH 08/14] readahead: remove one unnecessary radix tree lookup Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` [PATCH 09/14] readahead: increase interleaved readahead size Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` [PATCH 10/14] readahead: remove sync/async readahead call dependency Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` [PATCH 11/14] readahead: clean up and simplify the code for filemap page fault readahead Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 15:50 ` Linus Torvalds
2009-04-07 15:50 ` Linus Torvalds
2009-04-07 11:50 ` [PATCH 12/14] readahead: sequential mmap readahead Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` [PATCH 13/14] readahead: enforce full readahead size on async " Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` [PATCH 14/14] readahead: record mmap read-around states in file_ra_state Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-07 11:50 ` Wu Fengguang
2009-04-10 4:36 ` [PATCH 00/14] filemap and readahead fixes Andrew Morton
2009-04-10 4:36 ` Andrew Morton
2009-04-10 4:36 ` Andrew Morton
2009-04-10 4:54 ` Wu Fengguang
2009-04-10 4:54 ` Wu Fengguang
2009-04-10 5:08 ` Andrew Morton
2009-04-10 5:08 ` Andrew Morton
2009-04-10 5:53 ` Wu Fengguang
2009-04-10 5:53 ` Wu Fengguang
-- strict thread matches above, loose matches on Subject: below --
2009-04-07 7:17 Wu Fengguang
2009-04-07 7:17 ` [PATCH 03/14] mm: remove FAULT_FLAG_RETRY dead code Wu Fengguang
2009-04-07 7:17 ` Wu Fengguang
2009-04-07 20:03 ` Ying Han
2009-04-07 20:03 ` Ying Han
2009-04-07 23:27 ` Wu Fengguang
2009-04-07 23:27 ` Wu Fengguang
2009-04-08 1:17 ` Ying Han
2009-04-08 1:17 ` Ying Han
2009-04-08 2:29 ` Wu Fengguang
2009-04-08 2:29 ` Wu Fengguang
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