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mm/memory-failure: move some function declarations into internal.h

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There are some functions only used inside mm.  Move them into internal.h. 
No functional change intended.

Link: https://lkml.kernel.org/r/20240612071835.157004-11-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202405251049.hxjwX7zO-lkp@intel.com/
Cc: Borislav Petkov (AMD) <bp@alien8.de>
Cc: David Hildenbrand <david@redhat.com>
Cc: Naoya Horiguchi <nao.horiguchi@gmail.com>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Miaohe Lin
2024-06-12 15:18:32 +08:00
committed by Andrew Morton
parent 28eab7d4e7
commit 3a78f77fd1
4 changed files with 10 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
include/linux/mm.h
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@@ -4000,7 +4000,6 @@ extern int __get_huge_page_for_hwpoison(unsigned long pfn, int flags,
bool *migratable_cleared);
void num_poisoned_pages_inc(unsigned long pfn);
void num_poisoned_pages_sub(unsigned long pfn, long i);
struct task_struct *task_early_kill(struct task_struct *tsk, int force_early);
#else
static inline void memory_failure_queue(unsigned long pfn, int flags)
{
@@ -4021,12 +4020,6 @@ static inline void num_poisoned_pages_sub(unsigned long pfn, long i)
}
#endif
#if defined(CONFIG_MEMORY_FAILURE) && defined(CONFIG_KSM)
void add_to_kill_ksm(struct task_struct *tsk, struct page *p,
struct vm_area_struct *vma, struct list_head *to_kill,
unsigned long ksm_addr);
#endif
#if defined(CONFIG_MEMORY_FAILURE) && defined(CONFIG_MEMORY_HOTPLUG)
extern void memblk_nr_poison_inc(unsigned long pfn);
extern void memblk_nr_poison_sub(unsigned long pfn, long i);

5
include/linux/page-flags.h
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@@ -616,11 +616,6 @@ PAGEFLAG_FALSE(Uncached, uncached)
PAGEFLAG(HWPoison, hwpoison, PF_ANY)
TESTSCFLAG(HWPoison, hwpoison, PF_ANY)
#define __PG_HWPOISON (1UL << PG_hwpoison)
#define MAGIC_HWPOISON 0x48575053U /* HWPS */
extern void SetPageHWPoisonTakenOff(struct page *page);
extern void ClearPageHWPoisonTakenOff(struct page *page);
extern bool take_page_off_buddy(struct page *page);
extern bool put_page_back_buddy(struct page *page);
#else
PAGEFLAG_FALSE(HWPoison, hwpoison)
#define __PG_HWPOISON 0

2
include/linux/rmap.h
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@@ -747,8 +747,6 @@ int pfn_mkclean_range(unsigned long pfn, unsigned long nr_pages, pgoff_t pgoff,
void remove_migration_ptes(struct folio *src, struct folio *dst, bool locked);
unsigned long page_mapped_in_vma(struct page *page, struct vm_area_struct *vma);
/*
* rmap_walk_control: To control rmap traversing for specific needs
*

10
mm/internal.h
View File

@@ -1062,6 +1062,16 @@ extern u64 hwpoison_filter_flags_mask;
extern u64 hwpoison_filter_flags_value;
extern u64 hwpoison_filter_memcg;
extern u32 hwpoison_filter_enable;
#define MAGIC_HWPOISON 0x48575053U /* HWPS */
void SetPageHWPoisonTakenOff(struct page *page);
void ClearPageHWPoisonTakenOff(struct page *page);
bool take_page_off_buddy(struct page *page);
bool put_page_back_buddy(struct page *page);
struct task_struct *task_early_kill(struct task_struct *tsk, int force_early);
void add_to_kill_ksm(struct task_struct *tsk, struct page *p,
struct vm_area_struct *vma, struct list_head *to_kill,
unsigned long ksm_addr);
unsigned long page_mapped_in_vma(struct page *page, struct vm_area_struct *vma);
extern unsigned long __must_check vm_mmap_pgoff(struct file *, unsigned long,
unsigned long, unsigned long,