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-rw-r--r--kernel/power/snapshot.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index 0c40c16174b4..c24d5a23bf93 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -1472,9 +1472,9 @@ static inline unsigned long preallocate_highmem_fraction(unsigned long nr_pages,
1472/** 1472/**
1473 * free_unnecessary_pages - Release preallocated pages not needed for the image 1473 * free_unnecessary_pages - Release preallocated pages not needed for the image
1474 */ 1474 */
1475static void free_unnecessary_pages(void) 1475static unsigned long free_unnecessary_pages(void)
1476{ 1476{
1477 unsigned long save, to_free_normal, to_free_highmem; 1477 unsigned long save, to_free_normal, to_free_highmem, free;
1478 1478
1479 save = count_data_pages(); 1479 save = count_data_pages();
1480 if (alloc_normal >= save) { 1480 if (alloc_normal >= save) {
@@ -1495,6 +1495,7 @@ static void free_unnecessary_pages(void)
1495 else 1495 else
1496 to_free_normal = 0; 1496 to_free_normal = 0;
1497 } 1497 }
1498 free = to_free_normal + to_free_highmem;
1498 1499
1499 memory_bm_position_reset(&copy_bm); 1500 memory_bm_position_reset(&copy_bm);
1500 1501
@@ -1518,6 +1519,8 @@ static void free_unnecessary_pages(void)
1518 swsusp_unset_page_free(page); 1519 swsusp_unset_page_free(page);
1519 __free_page(page); 1520 __free_page(page);
1520 } 1521 }
1522
1523 return free;
1521} 1524}
1522 1525
1523/** 1526/**
@@ -1707,7 +1710,7 @@ int hibernate_preallocate_memory(void)
1707 * pages in memory, but we have allocated more. Release the excessive 1710 * pages in memory, but we have allocated more. Release the excessive
1708 * ones now. 1711 * ones now.
1709 */ 1712 */
1710 free_unnecessary_pages(); 1713 pages -= free_unnecessary_pages();
1711 1714
1712 out: 1715 out:
1713 stop = ktime_get(); 1716 stop = ktime_get();
@@ -2310,8 +2313,6 @@ static inline void free_highmem_data(void)
2310 free_image_page(buffer, PG_UNSAFE_CLEAR); 2313 free_image_page(buffer, PG_UNSAFE_CLEAR);
2311} 2314}
2312#else 2315#else
2313static inline int get_safe_write_buffer(void) { return 0; }
2314
2315static unsigned int 2316static unsigned int
2316count_highmem_image_pages(struct memory_bitmap *bm) { return 0; } 2317count_highmem_image_pages(struct memory_bitmap *bm) { return 0; }
2317 2318