Hugh Dickins wrote:
Since its birth, get_user_pages has been calling a misguided get_page_map
function. follow_page has already returned NULL if the pfn is invalid,
we cannot reach an invalid pfn from a validated struct page.
Remove get_page_map, and the messy rewind in get_user_pages to cope with
its failure. Oh, and could we please call that "struct page *page" like
everywhere else, instead of "struct page *map"?
Signed-off-by: Hugh Dickins <[email protected]>
This is the same as the one I've had around (from you, of course)
for ages. Been through a fair bit of testing here, and I like it.
--
SUSE Labs, Novell Inc.
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