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Subject[PATCH V7 5/5] testing
Date
---
mm/gup.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/mm/gup.c b/mm/gup.c
index 6e8152594e83..91849c39931a 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -1226,7 +1226,7 @@ static long check_and_migrate_cma_pages(unsigned long start, long nr_pages,
* be pinning these entries, we might as well move them out
* of the CMA zone if possible.
*/
- if (is_migrate_cma_page(pages[i])) {
+ if (true || is_migrate_cma_page(pages[i])) {

struct page *head = compound_head(pages[i]);

@@ -1256,6 +1256,7 @@ static long check_and_migrate_cma_pages(unsigned long start, long nr_pages,
for (i = 0; i < nr_pages; i++)
put_page(pages[i]);

+ pr_emerg("migrating nr_pages");
if (migrate_pages(&cma_page_list, new_non_cma_page,
NULL, 0, MIGRATE_SYNC, MR_CONTIG_RANGE)) {
/*
@@ -1274,10 +1275,11 @@ static long check_and_migrate_cma_pages(unsigned long start, long nr_pages,
nr_pages = get_user_pages(start, nr_pages, gup_flags, pages, vmas);
if ((nr_pages > 0) && migrate_allow) {
drain_allow = true;
- goto check_again;
+ //goto check_again;
}
}

+ pr_emerg("Returning with %ld\n", nr_pages);
return nr_pages;
}
#else
--
2.20.1
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