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authorWANG Wenhu <wenhu.wang@vivo.com>2020-04-01 21:09:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-04-02 09:35:30 -0700
commit86a76331d94c4cfa72fe1831dbe4b492f66fdb81 (patch)
tree68bd92ddcc7bb71f902e67104216ab3fbb83a044 /tools/perf/scripts/python/export-to-postgresql.py
parentmm/userfaultfd: honor FAULT_FLAG_KILLABLE in fault path (diff)
downloadlinux-dev-86a76331d94c4cfa72fe1831dbe4b492f66fdb81.tar.xz
linux-dev-86a76331d94c4cfa72fe1831dbe4b492f66fdb81.zip
mm: clarify a confusing comment for remap_pfn_range()
It really made me scratch my head. Replace the comment with an accurate and consistent description. The parameter pfn actually refers to the page frame number which is right-shifted by PAGE_SHIFT from the physical address. Signed-off-by: WANG Wenhu <wenhu.wang@vivo.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Link: http://lkml.kernel.org/r/20200310073955.43415-1-wenhu.wang@vivo.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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