From: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
To: Siddhesh Poyarekar <siddhesh.poyarekar@gmail.com>
Cc: Jamie Lokier <jamie@shareable.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Alexander Viro <viro@zeniv.linux.org.uk>,
linux-fsdevel@vger.kernel.org,
Michael Kerrisk <mtk.manpages@gmail.com>,
linux-man@vger.kernel.org
Subject: Re: [RESEND][PATCH] Mark thread stack correctly in proc/<pid>/maps
Date: Thu, 02 Feb 2012 16:40:12 -0500 [thread overview]
Message-ID: <4F2B02BC.8010308@gmail.com> (raw)
In-Reply-To: <CAAHN_R2g9zaujw30+zLf91AGDHNqE6HDc8Z4yJbrzgJcJYFkXg@mail.gmail.com>
> extern unsigned long move_page_tables(struct vm_area_struct *vma,
> diff --git a/mm/mmap.c b/mm/mmap.c
> index 3f758c7..2f9f540 100644
> --- a/mm/mmap.c
> +++ b/mm/mmap.c
> @@ -992,6 +992,9 @@ unsigned long do_mmap_pgoff(struct file *file,
> unsigned long addr,
> vm_flags = calc_vm_prot_bits(prot) | calc_vm_flag_bits(flags) |
> mm->def_flags | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC;
>
> + if (flags& MAP_STACK)
> + vm_flags |= VM_STACK_FLAGS;
??
MAP_STACK doesn't mean auto stack expansion. Why do you turn on VM_GROWSDOWN?
Seems incorrect.
next prev parent reply other threads:[~2012-02-02 21:40 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-14 12:35 [PATCH] Mark thread stack correctly in proc/<pid>/maps Siddhesh Poyarekar
2012-01-16 11:28 ` Jamie Lokier
2012-01-16 13:08 ` Siddhesh Poyarekar
2012-01-16 16:31 ` Jamie Lokier
2012-01-16 17:01 ` Siddhesh Poyarekar
2012-01-17 4:54 ` Siddhesh Poyarekar
2012-02-02 6:24 ` [RESEND][PATCH] " Siddhesh Poyarekar
2012-02-02 21:40 ` KOSAKI Motohiro [this message]
2012-02-03 7:09 ` Siddhesh Poyarekar
2012-02-03 8:01 ` KOSAKI Motohiro
2012-02-03 9:49 ` Siddhesh Poyarekar
2012-02-03 10:29 ` Mike Frysinger
2012-02-03 18:34 ` Siddhesh Poyarekar
2012-02-08 4:00 ` Siddhesh Poyarekar
2012-02-08 17:57 ` KOSAKI Motohiro
2012-02-11 10:19 ` Siddhesh Poyarekar
2012-02-11 15:03 ` [PATCH] " Siddhesh Poyarekar
2012-02-21 4:24 ` [RESEND][PATCH] " Siddhesh Poyarekar
2012-02-22 23:00 ` Andrew Morton
2012-02-23 4:03 ` [PATCH] " Siddhesh Poyarekar
2012-02-23 20:22 ` Andrew Morton
2012-02-24 13:05 ` Siddhesh Poyarekar
2012-02-26 16:17 ` [PATCH] x86_64: Record stack pointer before task execution begins Siddhesh Poyarekar
2012-02-27 6:17 ` [tip:x86/process] " tip-bot for Siddhesh Poyarekar
2012-02-23 23:47 ` [PATCH] Mark thread stack correctly in proc/<pid>/maps Mike Frysinger
2012-02-24 5:47 ` Siddhesh Poyarekar
2012-02-24 16:12 ` Mike Frysinger
2012-02-24 18:23 ` Siddhesh Poyarekar
2012-03-01 5:20 ` [PATCH 1/2] Take rcu read lock when iterating through thread group Siddhesh Poyarekar
2012-03-01 5:20 ` [PATCH 2/2] procfs: Mark stack vma with pid of the owning task Siddhesh Poyarekar
2012-03-01 23:17 ` Andrew Morton
2012-03-01 16:51 ` [PATCH 1/2] Take rcu read lock when iterating through thread group Oleg Nesterov
2012-03-01 23:21 ` Andrew Morton
2012-03-04 20:04 ` Siddhesh Poyarekar
2012-02-23 23:17 ` [PATCH] Mark thread stack correctly in proc/<pid>/maps KOSAKI Motohiro
2012-02-24 0:49 ` KOSAKI Motohiro
2012-02-24 5:29 ` Siddhesh Poyarekar
2012-02-24 16:14 ` KOSAKI Motohiro
2012-02-24 18:58 ` Siddhesh Poyarekar
-- strict thread matches above, loose matches on Subject: below --
2012-02-28 17:04 + procfs-mark-thread-stack-correctly-in-proc-pid-maps.patch added to -mm tree Oleg Nesterov
2012-02-28 17:18 ` Siddhesh Poyarekar
2012-02-28 17:40 ` Oleg Nesterov
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