forked from mirrors/linux
b7f058f827
has_isolate_pageblock() has been unused since commit 55612e80e7 ("mm:
page_alloc: close migratetype race between freeing and stealing")
Remove it.
Link: https://lkml.kernel.org/r/20241018092235.2764859-1-kaixa@kiloview.com
Signed-off-by: Luoxi Li <kaixa@kiloview.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __LINUX_PAGEISOLATION_H
|
|
#define __LINUX_PAGEISOLATION_H
|
|
|
|
#ifdef CONFIG_MEMORY_ISOLATION
|
|
static inline bool is_migrate_isolate_page(struct page *page)
|
|
{
|
|
return get_pageblock_migratetype(page) == MIGRATE_ISOLATE;
|
|
}
|
|
static inline bool is_migrate_isolate(int migratetype)
|
|
{
|
|
return migratetype == MIGRATE_ISOLATE;
|
|
}
|
|
#else
|
|
static inline bool is_migrate_isolate_page(struct page *page)
|
|
{
|
|
return false;
|
|
}
|
|
static inline bool is_migrate_isolate(int migratetype)
|
|
{
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
#define MEMORY_OFFLINE 0x1
|
|
#define REPORT_FAILURE 0x2
|
|
|
|
void set_pageblock_migratetype(struct page *page, int migratetype);
|
|
|
|
bool move_freepages_block_isolate(struct zone *zone, struct page *page,
|
|
int migratetype);
|
|
|
|
int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
|
|
int migratetype, int flags, gfp_t gfp_flags);
|
|
|
|
void undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
|
|
int migratetype);
|
|
|
|
int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn,
|
|
int isol_flags);
|
|
#endif
|