mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-12-30 21:09:38 +03:00
79 lines
2.8 KiB
C
79 lines
2.8 KiB
C
|
#ifndef _ZFS_PAGE_COMPAT_H
|
||
|
|
#define _ZFS_PAGE_COMPAT_H
|
||
|
|
|
||
|
|
/*
|
||
|
|
* We have various enum members moving between two separate enum types,
|
||
|
|
* and accessed by different functions at various times. Centralise the
|
||
|
|
* insanity.
|
||
|
|
*
|
||
|
|
* < v4.8: all enums in zone_stat_item, via global_page_state()
|
||
|
|
* v4.8: some enums moved to node_stat_item, global_node_page_state() introduced
|
||
|
|
* v4.13: some enums moved from zone_stat_item to node_state_item
|
||
|
|
* v4.14: global_page_state() rename to global_zone_page_state()
|
||
|
|
*
|
||
|
|
* The defines used here are created by config/kernel-global_page_state.m4
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Create our own accessor functions to follow the Linux API changes
|
||
|
|
*/
|
||
|
|
#if defined(ZFS_GLOBAL_ZONE_PAGE_STATE)
|
||
|
|
|
||
|
|
/* global_zone_page_state() introduced */
|
||
|
|
#if defined(ZFS_ENUM_NODE_STAT_ITEM_NR_FILE_PAGES)
|
||
|
|
#define nr_file_pages() global_node_page_state(NR_FILE_PAGES)
|
||
|
|
#else
|
||
|
|
#define nr_file_pages() global_zone_page_state(NR_FILE_PAGES)
|
||
|
|
#endif
|
||
|
|
#if defined(ZFS_ENUM_NODE_STAT_ITEM_NR_INACTIVE_ANON)
|
||
|
|
#define nr_inactive_anon_pages() global_node_page_state(NR_INACTIVE_ANON)
|
||
|
|
#else
|
||
|
|
#define nr_inactive_anon_pages() global_zone_page_state(NR_INACTIVE_ANON)
|
||
|
|
#endif
|
||
|
|
#if defined(ZFS_ENUM_NODE_STAT_ITEM_NR_INACTIVE_FILE)
|
||
|
|
#define nr_inactive_file_pages() global_node_page_state(NR_INACTIVE_FILE)
|
||
|
|
#else
|
||
|
|
#define nr_inactive_file_pages() global_zone_page_state(NR_INACTIVE_FILE)
|
||
|
|
#endif
|
||
|
|
#if defined(ZFS_ENUM_NODE_STAT_ITEM_NR_SLAB_RECLAIMABLE)
|
||
|
|
#define nr_slab_reclaimable_pages() global_node_page_state(NR_SLAB_RECLAIMABLE)
|
||
|
|
#else
|
||
|
|
#define nr_slab_reclaimable_pages() global_zone_page_state(NR_SLAB_RECLAIMABLE)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#elif defined(ZFS_GLOBAL_NODE_PAGE_STATE)
|
||
|
|
|
||
|
|
/* global_node_page_state() introduced */
|
||
|
|
#if defined(ZFS_ENUM_NODE_STAT_ITEM_NR_FILE_PAGES)
|
||
|
|
#define nr_file_pages() global_node_page_state(NR_FILE_PAGES)
|
||
|
|
#else
|
||
|
|
#define nr_file_pages() global_page_state(NR_FILE_PAGES)
|
||
|
|
#endif
|
||
|
|
#if defined(ZFS_ENUM_NODE_STAT_ITEM_NR_INACTIVE_ANON)
|
||
|
|
#define nr_inactive_anon_pages() global_node_page_state(NR_INACTIVE_ANON)
|
||
|
|
#else
|
||
|
|
#define nr_inactive_anon_pages() global_page_state(NR_INACTIVE_ANON)
|
||
|
|
#endif
|
||
|
|
#if defined(ZFS_ENUM_NODE_STAT_ITEM_NR_INACTIVE_FILE)
|
||
|
|
#define nr_inactive_file_pages() global_node_page_state(NR_INACTIVE_FILE)
|
||
|
|
#else
|
||
|
|
#define nr_inactive_file_pages() global_page_state(NR_INACTIVE_FILE)
|
||
|
|
#endif
|
||
|
|
#if defined(ZFS_ENUM_NODE_STAT_ITEM_NR_SLAB_RECLAIMABLE)
|
||
|
|
#define nr_slab_reclaimable_pages() global_node_page_state(NR_SLAB_RECLAIMABLE)
|
||
|
|
#else
|
||
|
|
#define nr_slab_reclaimable_pages() global_page_state(NR_SLAB_RECLAIMABLE)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
/* global_page_state() only */
|
||
|
|
#define nr_file_pages() global_page_state(NR_FILE_PAGES)
|
||
|
|
#define nr_inactive_anon_pages() global_page_state(NR_INACTIVE_ANON)
|
||
|
|
#define nr_inactive_file_pages() global_page_state(NR_INACTIVE_FILE)
|
||
|
|
#define nr_slab_reclaimable_pages() global_page_state(NR_SLAB_RECLAIMABLE)
|
||
|
|
|
||
|
|
#endif /* ZFS_GLOBAL_ZONE_PAGE_STATE */
|
||
|
|
|
||
|
|
#endif /* _ZFS_PAGE_COMPAT_H */
|