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static
void shmem_swp_set(struct shmem_inode_info *info, swp_entry_t
*entry, unsigned long value)
{
long incdec = value? 1:
-1;
entry->val = value;
info->swapped +=
incdec;
if ((unsigned long)(entry - info->i_direct) >=
SHMEM_NR_DIRECT) {
struct page *page =
kmap_atomic_to_page(entry);
set_page_private(page,
page_private(page) + incdec);
}
}
/*
*
shmem_swp_alloc - get the position of the swap entry for the
page.
* If it does not exist allocate the entry.
* @info:
info structure for the inode
* @index: index of the page to
find
* @sgp: check and recheck i_size? skip
allocation?
*/
static swp_entry_t *shmem_swp_alloc(struct
shmem_inode_info *info, unsigned long index, enum sgp_type
sgp)
{
struct inode *inode = &info->vfs_inode;
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