Am 23.03.2015 um 23:44 schrieb Jason Low: > Commit 38c5ce936a08 converted ACCESS_ONCE usage in gup_pmd_range() to > READ_ONCE, since ACCESS_ONCE doesn't work reliably on non-scalar types. > > This patch removes the rest of the usages of ACCESS_ONCE, and use > READ_ONCE for the read accesses. This also makes things cleaner, > instead of using separate/multiple sets of APIs. > > Signed-off-by: Jason Low <jason.l...@hp.com>
Reviewed-by: Christian Borntraeger <borntrae...@de.ibm.com> one remark or question: > - anon_mapping = (unsigned long) ACCESS_ONCE(page->mapping); > + anon_mapping = (unsigned long)READ_ONCE(page->mapping); Were the white space changes intentional? IIRC checkpatch does prefer it your way and you have changed several places - so I assume yes. Either way, its probably fine to change that along. Christian -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
