sparc64: Support huge PUD case in get_user_pages

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get_user_pages() is used to do direct IO. It already
handles the case where the address range is backed
by PMD huge pages. This patch now adds the case where
the range could be backed by PUD huge pages.

Signed-off-by: Nitin Gupta <nitin.m.gupta@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Nitin Gupta 2017-08-11 16:46:49 -07:00 • committed by David S. Miller

parent 91752a9c7b

commit 44382b0195

2 changed files with 57 additions and 3 deletions

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15

arch/sparc/include/asm/pgtable_64.h

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45

arch/sparc/mm/gup.c

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