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(parent: a97bf5b) | patch
powerpc: 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)
commitfa1b04f6ba95d81e2bbe4bda409b9ef2e52f162a
treef53fe2cd3b5082b863e7e54b245a2295ce360275tree | snapshot
parenta97bf5b2747ba29e1b683b9b041d1a21595041ebcommit | diff
powerpc: 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/powerpc/include/asm/pgtable-ppc64.h diff | blob | history
Linux kernel for KaRo TX COM modules