x86: Document get_user_pages_fast()

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While better than get_user_pages(), the usage of gupf(),
especially the return values and the fact that it can
potentially only partially pin the range, warranted some
documentation.

Signed-off-by: Andy Grover <andy.grover@oracle.com>
Cc: npiggin@suse.de
Cc: akpm@linux-foundation.org
LKML-Reference: <1239320729-3262-1-git-send-email-andy.grover@oracle.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Andy Grover 2009-04-09 16:45:29 -07:00 • committed by Ingo Molnar

parent 746cddd37d

commit a0d22f485a

1 changed files with 16 additions and 0 deletions

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arch/x86/mm/gup.c

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