The patch titled
Subject: mm/swapfile: move scan_swap_map() under CONFIG_HIBERNATION
has been added to the -mm tree. Its filename is
mm-swapfile-move-get_swap_page_of_type-under-config_hibernation-fix.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-swapfile-move-get_swap_page_of_type-under-config_hibernation-fix.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-swapfile-move-get_swap_page_of_type-under-config_hibernation-fix.patch
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------------------------------------------------------
From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: mm/swapfile: move scan_swap_map() under CONFIG_HIBERNATION
We should move scan_swap_map() under CONFIG_HIBERNATION since the only
caller of this function is get_swap_page_of_type() which is also under
CONFIG_HIBERNATION. And this fixes the unused-function warning of
scan_swap_map().
Link: https://lkml.kernel.org/r/20210521070855.2015094-1-linmiaohe@xxxxxxxxxx
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/swapfile.c | 30 +++++++++++++++---------------
1 file changed, 15 insertions(+), 15 deletions(-)
--- a/mm/swapfile.c~mm-swapfile-move-get_swap_page_of_type-under-config_hibernation-fix
+++ a/mm/swapfile.c
@@ -1037,21 +1037,6 @@ static void swap_free_cluster(struct swa
swap_range_free(si, offset, SWAPFILE_CLUSTER);
}
-static unsigned long scan_swap_map(struct swap_info_struct *si,
- unsigned char usage)
-{
- swp_entry_t entry;
- int n_ret;
-
- n_ret = scan_swap_map_slots(si, usage, 1, &entry);
-
- if (n_ret)
- return swp_offset(entry);
- else
- return 0;
-
-}
-
int get_swap_pages(int n_goal, swp_entry_t swp_entries[], int entry_size)
{
unsigned long size = swap_entry_size(entry_size);
@@ -1789,6 +1774,21 @@ int free_swap_and_cache(swp_entry_t entr
#ifdef CONFIG_HIBERNATION
+static unsigned long scan_swap_map(struct swap_info_struct *si,
+ unsigned char usage)
+{
+ swp_entry_t entry;
+ int n_ret;
+
+ n_ret = scan_swap_map_slots(si, usage, 1, &entry);
+
+ if (n_ret)
+ return swp_offset(entry);
+ else
+ return 0;
+
+}
+
swp_entry_t get_swap_page_of_type(int type)
{
struct swap_info_struct *si = swap_type_to_swap_info(type);
_
Patches currently in -mm which might be from linmiaohe@xxxxxxxxxx are
mm-swapfile-use-percpu_ref-to-serialize-against-concurrent-swapoff.patch
swap-fix-do_swap_page-race-with-swapoff.patch
mm-swap-remove-confusing-checking-for-non_swap_entry-in-swap_ra_info.patch
mm-shmem-fix-shmem_swapin-race-with-swapoff.patch
mm-swapfile-move-get_swap_page_of_type-under-config_hibernation.patch
mm-swapfile-move-get_swap_page_of_type-under-config_hibernation-fix.patch
mm-swap-remove-unused-local-variable-nr_shadows.patch
mm-swap_slotsc-delete-meaningless-forward-declarations.patch
mm-swap-remove-unused-global-variable-nr_swapper_spaces.patch
mm-huge_memoryc-remove-dedicated-macro-hpage_cache_index_mask.patch
mm-huge_memoryc-use-page-deferred_list.patch
mm-huge_memoryc-add-missing-read-only-thp-checking-in-transparent_hugepage_enabled.patch
mm-huge_memoryc-add-missing-read-only-thp-checking-in-transparent_hugepage_enabled-v4.patch
mm-huge_memoryc-remove-unnecessary-tlb_remove_page_size-for-huge-zero-pmd.patch
mm-huge_memoryc-dont-discard-hugepage-if-other-processes-are-mapping-it.patch
mm-zswapc-remove-unused-function-zswap_debugfs_exit.patch
mm-zswapc-avoid-unnecessary-copy-in-at-map-time.patch
mm-zswapc-fix-two-bugs-in-zswap_writeback_entry.patch
