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From: mindentropy@gmail.com (mindentropy)
To: kernelnewbies@lists.kernelnewbies.org
Subject: Regarding remap_pfn_page
Date: Wed, 20 Jul 2011 23:24:24 +0530	[thread overview]
Message-ID: <201107202324.24587.mindentropy@gmail.com> (raw)
In-Reply-To: <CAAYFAvo+DP+itKc4A99fdJ6uYSrGyp_U1m5xSr=7vj72ayzdAA@mail.gmail.com>

>> If yes what would happen if I mmap a huge range?
>huge range means you already have huge physical memory to be mapped
>and user space process has huge virtual memory area to accomodate
>that. Note that is mapping is specific to one particular process (or
>threads sharing process address space) so it is fairly possible to
>establish mmap.

Assuming you have 1 single page size of physical memory. Now when you mmap a 
huge size would all the different virtual addresses be mapping onto the same 
physical page frame?

  parent reply	other threads:[~2011-07-20 17:54 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-19 17:56 Regarding remap_pfn_page mindentropy
2011-07-20 17:18 ` Rajat Sharma
2011-07-20 17:41   ` mindentropy
2011-07-20 17:54   ` mindentropy [this message]
2011-07-20 18:29     ` mindentropy
2011-07-21  7:42       ` Rajat Sharma
2011-07-21 16:42         ` mindentropy
2011-07-21 17:56       ` Mulyadi Santosa
2011-07-21 18:18         ` mindentropy
2011-07-21 18:23           ` Rajat Sharma
2011-07-21 18:37             ` mindentropy

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