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From: Vladimir Murzin <murzin.v@gmail.com>
To: linux-arch@vger.kernel.org
Cc: tglx@linutronix.de, davem@davemloft.net, lethal@linux-sh.org,
	linux@arm.linux.org.uk
Subject: [PATCH 0/6] get rid of extra check for TASK_SIZE in get_unmapped_area
Date: Tue,  8 May 2012 18:40:16 +0400	[thread overview]
Message-ID: <1336488022-3723-1-git-send-email-murzin.v@gmail.com> (raw)

From: Vladimir Murzin <murzin.v@gmail>

The current get_unmapped_area code calls the f_ops->get_unmapped_area or
the arch's one (via the mm) only when check for TASK_SIZE is passed. However,
generic code and some arches do the same check in their a_g_u_a implementation.

This series of patches fix the check order for TASK_SIZE in archs'
get_unmapped_area() implementations, and then removes extra check in
high-level get_unmapped_area().

Vladimir Murzin (6):
  get_unmapped_area checks for TASK_SIZE before MAP_FIXED on arm
  get_unmapped_area checks for TASK_SIZE before MAP_FIXED on sh
  get_unmapped_area checks for TASK_SIZE before MAP_FIXED on sparc32
  get_unmapped_area checks for TASK_SIZE before MAP_FIXED on sparc64
  get_unmapped_area checks for TASK_SIZE before MAP_FIXED on x86_64
  get_unmapped_area remove extra check for TASK_SIZE

 arch/arm/mm/mmap.c               |    6 +++---
 arch/sh/mm/mmap.c                |   12 ++++++------
 arch/sparc/kernel/sys_sparc_32.c |    9 +++++----
 arch/sparc/kernel/sys_sparc_64.c |   16 ++++++++--------
 arch/x86/kernel/sys_x86_64.c     |    6 +++---
 mm/mmap.c                        |    4 ----
 6 files changed, 25 insertions(+), 28 deletions(-)

-- 
1.7.2.5

             reply	other threads:[~2012-05-08 14:42 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-08 14:40 Vladimir Murzin [this message]
2012-05-08 14:40 ` [PATCH 1/6] get_unmapped_area checks for TASK_SIZE before MAP_FIXED on arm Vladimir Murzin
2012-05-08 14:40 ` [PATCH 2/6] get_unmapped_area checks for TASK_SIZE before MAP_FIXED on sh Vladimir Murzin
2012-05-08 14:40 ` [PATCH 3/6] get_unmapped_area checks for TASK_SIZE before MAP_FIXED on sparc32 Vladimir Murzin
2012-05-08 16:27   ` Sam Ravnborg
2012-05-09  8:07     ` Vladimir Murzin
2012-05-09 16:18       ` Sam Ravnborg
2012-05-09 18:04         ` Vladimir Murzin
2012-05-08 17:00   ` David Miller
2012-05-08 14:40 ` [PATCH 4/6] get_unmapped_area checks for TASK_SIZE before MAP_FIXED on sparc64 Vladimir Murzin
2012-05-08 17:00   ` David Miller
2012-05-08 14:40 ` [PATCH 5/6] get_unmapped_area checks for TASK_SIZE before MAP_FIXED on x86_64 Vladimir Murzin
2012-05-08 14:40 ` [PATCH 6/6] get_unmapped_area remove extra check for TASK_SIZE Vladimir Murzin
2012-05-09 16:26 ` [PATCH 0/6] get rid of extra check for TASK_SIZE in get_unmapped_area Russell King - ARM Linux
2012-05-09 17:56   ` Vladimir Murzin
2012-05-09 18:07     ` Russell King - ARM Linux
2012-05-10  3:01       ` Vladimir Murzin
2012-05-10  7:55         ` Russell King - ARM Linux
2012-05-10 18:08           ` Vladimir Murzin

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