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(parent: 11dab60) | patch
arm64: add pmd_[dirty|mkclean] for THP
authorMinchan Kim <minchan@kernel.org>
Wed, 21 Oct 2015 22:03:44 +0000 (09:03 +1100)
committerStephen Rothwell <sfr@canb.auug.org.au>
Wed, 21 Oct 2015 22:03:44 +0000 (09:03 +1100)
commit7b4defed91992cf818ef405c6908b6c0dacf5e18
tree9bd78ce7de56176c9c422e525cc17985af807a13tree | snapshot
parent11dab60c340f9673f6e4b09a72b882b57a207c07commit | diff
arm64: add pmd_[dirty|mkclean] for THP

MADV_FREE needs pmd_dirty and pmd_mkclean for detecting recent overwrite
of the contents since MADV_FREE syscall is called for THP page.

This patch adds pmd_dirty and pmd_mkclean for THP page MADV_FREE support.

Signed-off-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
arch/arm64/include/asm/pgtable.h diff | blob | history
Linux kernel for KaRo TX COM modules