3.4-stable review patch. If anyone has any objections, please let me know.
------------------ From: "Mizuma, Masayoshi" <[email protected]> commit 7848a4bf51b34f41fcc9bd77e837126d99ae84e3 upstream. soft lockup in freeing gigantic hugepage fixed in commit 55f67141a892 "mm: hugetlb: fix softlockup when a large number of hugepages are freed." can happen in return_unused_surplus_pages(), so let's fix it. Signed-off-by: Masayoshi Mizuma <[email protected]> Signed-off-by: Naoya Horiguchi <[email protected]> Cc: Joonsoo Kim <[email protected]> Cc: Michal Hocko <[email protected]> Cc: Aneesh Kumar <[email protected]> Cc: KOSAKI Motohiro <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- mm/hugetlb.c | 1 + 1 file changed, 1 insertion(+) --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1082,6 +1082,7 @@ static void return_unused_surplus_pages( while (nr_pages--) { if (!free_pool_huge_page(h, &node_states[N_HIGH_MEMORY], 1)) break; + cond_resched_lock(&hugetlb_lock); } } -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
