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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2013-06-20 11:00:14 +0200
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-06-21 08:01:53 +0200
commitf940f5289873af2ad2c4e73f88c24ad2b8fe3f87 (patch)
tree2e5e623bb15d5f1db3e191236a88221fb83fd693 /include/crypto/b128ops.h
parentpowerpc/mm: handle hugepage size correctly when invalidating hpte entries (diff)
downloadlinux-f940f5289873af2ad2c4e73f88c24ad2b8fe3f87.tar.xz
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powerpc/THP: Double the PMD table size for THP
THP code does PTE page allocation along with large page request and deposit them for later use. This is to ensure that we won't have any failures when we split hugepages to regular pages. On powerpc we want to use the deposited PTE page for storing hash pte slot and secondary bit information for the HPTEs. We use the second half of the pmd table to save the deposted PTE page. Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'include/crypto/b128ops.h')
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