| commit | 0208fabf7256245125fbabf03207a0da4000ea2d | |
| author | Michal Hocko <mhocko@suse.com> | |
| Fri, 24 Nov 2017 10:13:07 +0000 (24 11:13 +0100) | ||
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | |
| Fri, 24 Nov 2017 10:26:29 +0000 (24 11:26 +0100) | ||
| tree | 9921888d7dd6c9250dea8101ed6df081666416d1 | treesnapshot (tar.gz zip) |
| parent | 5baf0fb260fc59d632ba150f442a5904650d6170 | commitdiff |
mm, hwpoison: fixup "mm: check the return value of lookup_page_ext for all call sites"
Backport of the upstream commit f86e4271978b ("mm: check the return
value of lookup_page_ext for all call sites") is wrong for hwpoison
pages. I have accidentally negated the condition for bailout. This
basically disables hwpoison pages tracking while the code still
might crash on unusual configurations when struct pages do not have
page_ext allocated. The fix is trivial to invert the condition.
Reported-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Backport of the upstream commit f86e4271978b ("mm: check the return
value of lookup_page_ext for all call sites") is wrong for hwpoison
pages. I have accidentally negated the condition for bailout. This
basically disables hwpoison pages tracking while the code still
might crash on unusual configurations when struct pages do not have
page_ext allocated. The fix is trivial to invert the condition.
Reported-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| mm/debug-pagealloc.c | diffblobblamehistory |