The patch titled
Subject: mm/gup: fixup for 9947ea2c1e608e32 "mm/gup: track FOLL_PIN pages"
has been added to the -mm tree. Its filename is
mm-gup-track-foll_pin-pages-fix-2.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-gup-track-foll_pin-pages-fix-2.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-gup-track-foll_pin-pages-fix-2.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx>
Subject: mm/gup: fixup for 9947ea2c1e608e32 "mm/gup: track FOLL_PIN pages"
In case pin fails, we need to unpin, a simple put_page will not be enough
fixup for commit 9947ea2c1e608e32 ("mm/gup: track FOLL_PIN pages")
it can be simply squashed in
Link: http://lkml.kernel.org/r/20200306132537.783769-2-imbrenda@xxxxxxxxxxxxx
Signed-off-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx>
Reviewed-by: John Hubbard <jhubbard@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/gup.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/gup.c~mm-gup-track-foll_pin-pages-fix-2
+++ a/mm/gup.c
@@ -2065,7 +2065,7 @@ static int gup_pte_range(pmd_t pmd, unsi
goto pte_unmap;
if (unlikely(pte_val(pte) != pte_val(*ptep))) {
- put_page(head);
+ put_compound_head(head, 1, flags);
goto pte_unmap;
}
_
Patches currently in -mm which might be from imbrenda@xxxxxxxxxxxxx are
mm-gup-track-foll_pin-pages-fix-2.patch
mm-gup-writeback-add-callbacks-for-inaccessible-pages.patch
