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mm/swap: fold __swap_info_get() into its sole caller 

Fold __swap_info_get() into its sole caller to make code more clear. 
Minor readability improvement.

Link: https://lkml.kernel.org/r/20220509131416.17553-4-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Naoya Horiguchi <naoya.horiguchi@nec.com>
Cc: NeilBrown <neilb@suse.de>
Cc: Peter Xu <peterx@redhat.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Miaohe Lin 2022-05-19 14:08:50 -07:00 committed by akpm
parent 6106b93efa
commit afba72b171
1 changed files with 6 additions and 18 deletions
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24
mm/swapfile.c
View File

@ -1122,7 +1122,7 @@ noswap:
return n_ret;
}
static struct swap_info_struct *__swap_info_get(swp_entry_t entry)
static struct swap_info_struct *_swap_info_get(swp_entry_t entry)
{
struct swap_info_struct *p;
unsigned long offset;
@ -1137,8 +1137,13 @@ static struct swap_info_struct *__swap_info_get(swp_entry_t entry)
offset = swp_offset(entry);
if (offset >= p->max)
goto bad_offset;
if (data_race(!p->swap_map[swp_offset(entry)]))
goto bad_free;
return p;
bad_free:
pr_err("%s: %s%08lx\n", __func__, Unused_offset, entry.val);
goto out;
bad_offset:
pr_err("%s: %s%08lx\n", __func__, Bad_offset, entry.val);
goto out;
@ -1151,23 +1156,6 @@ out:
return NULL;
}
static struct swap_info_struct *_swap_info_get(swp_entry_t entry)
{
struct swap_info_struct *p;
p = __swap_info_get(entry);
if (!p)
goto out;
if (data_race(!p->swap_map[swp_offset(entry)]))
goto bad_free;
return p;
bad_free:
pr_err("%s: %s%08lx\n", __func__, Unused_offset, entry.val);
out:
return NULL;
}
static struct swap_info_struct *swap_info_get_cont(swp_entry_t entry,
struct swap_info_struct *q)
{