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| author | Miaohe Lin <linmiaohe@huawei.com> | 2021-06-28 19:37:03 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-06-29 10:53:49 -0700 |
| commit | eb7709c5f3e55e230b9c8d8e79aa261b316066c2 (patch) | |
| tree | 53645e7242b74176d828ec1543e585ca43390b29 /mm/swap_state.c | |
| parent | bb243f7dc62429343404b052e9c51d745e618346 (diff) | |
| download | lwn-eb7709c5f3e55e230b9c8d8e79aa261b316066c2.tar.gz lwn-eb7709c5f3e55e230b9c8d8e79aa261b316066c2.zip | |
mm/swap: remove unused local variable nr_shadows
Since commit 55c653b71e8c ("mm: stop accounting shadow entries"),
nr_shadows is not used anymore.
Link: https://lkml.kernel.org/r/20210520134022.1370406-3-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/swap_state.c')
| -rw-r--r-- | mm/swap_state.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/mm/swap_state.c b/mm/swap_state.c index df5405384520..1a2ba4056f37 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -114,8 +114,6 @@ int add_to_swap_cache(struct page *page, swp_entry_t entry, SetPageSwapCache(page); do { - unsigned long nr_shadows = 0; - xas_lock_irq(&xas); xas_create_range(&xas); if (xas_error(&xas)) @@ -124,7 +122,6 @@ int add_to_swap_cache(struct page *page, swp_entry_t entry, VM_BUG_ON_PAGE(xas.xa_index != idx + i, page); old = xas_load(&xas); if (xa_is_value(old)) { - nr_shadows++; if (shadowp) *shadowp = old; } @@ -260,7 +257,6 @@ void clear_shadow_from_swap_cache(int type, unsigned long begin, void *old; for (;;) { - unsigned long nr_shadows = 0; swp_entry_t entry = swp_entry(type, curr); struct address_space *address_space = swap_address_space(entry); XA_STATE(xas, &address_space->i_pages, curr); @@ -270,7 +266,6 @@ void clear_shadow_from_swap_cache(int type, unsigned long begin, if (!xa_is_value(old)) continue; xas_store(&xas, NULL); - nr_shadows++; } xa_unlock_irq(&address_space->i_pages); |