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authorPavel Emelyanov <xemul@parallels.com>2013-07-04 00:01:19 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-04 01:07:25 +0200
commit2b0a9f017548f05e42fbf7e67c4a626c1ebd5e12 (patch)
tree37536aced29420e37521bb8bfaacf678b4acb397 /arch/Kconfig
parentclear_refs: introduce private struct for mm_walk (diff)
downloadlinux-2b0a9f017548f05e42fbf7e67c4a626c1ebd5e12.tar.xz
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pagemap: introduce pagemap_entry_t without pmshift bits
These bits are always constant (== PAGE_SHIFT) and just occupy space in the entry. Moreover, in next patch we will need to report one more bit in the pagemap, but all bits are already busy on it. That said, describe the pagemap entry that has 6 more free zero bits. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Cc: Matt Mackall <mpm@selenic.com> Cc: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Cc: Glauber Costa <glommer@parallels.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: KOSAKI Motohiro <kosaki.motohiro@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/Kconfig')
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