x86, mm: pass in 'total' to __copy_from_user_*nocache()

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Impact: cleanup, enable future change

Add a 'total bytes copied' parameter to __copy_from_user_*nocache(),
and update all the callsites.

The parameter is not used yet - architecture code can use it to
more intelligently decide whether the copy should be cached or
non-temporal.

Cc: Salman Qazi <sqazi@google.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

...

This commit is contained in:

Ingo Molnar 2009-02-25 08:21:52 +01:00

parent 95f66b3770

commit 3255aa2eb6

6 changed files with 14 additions and 13 deletions

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4

arch/x86/include/asm/uaccess_32.h

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5

arch/x86/include/asm/uaccess_64.h

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2

drivers/gpu/drm/i915/i915_gem.c

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4

include/linux/uaccess.h

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10

mm/filemap.c

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2

mm/filemap_xip.c

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