Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit b46e756f authored by Kirill A. Shutemov's avatar Kirill A. Shutemov Committed by Linus Torvalds
Browse files

thp: extract khugepaged from mm/huge_memory.c 

khugepaged implementation grew to the point when it deserve separate
file in source.

Let's move it to mm/khugepaged.c.

Link: http://lkml.kernel.org/r/1466021202-61880-32-git-send-email-kirill.shutemov@linux.intel.com


Signed-off-by: default avatarKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 657e3038

include/linux/huge_mm.h

+10 −0
Original line number Diff line number Diff line
@@ -41,6 +41,16 @@ enum transparent_hugepage_flag { 
#endif

};



struct kobject;

struct kobj_attribute;



extern ssize_t single_hugepage_flag_store(struct kobject *kobj,

				 struct kobj_attribute *attr,

				 const char *buf, size_t count,

				 enum transparent_hugepage_flag flag);

extern ssize_t single_hugepage_flag_show(struct kobject *kobj,

				struct kobj_attribute *attr, char *buf,

				enum transparent_hugepage_flag flag);

extern struct kobj_attribute shmem_enabled_attr;



#define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT)

include/linux/khugepaged.h

+5 −0
Original line number Diff line number Diff line
@@ -4,6 +4,11 @@ 
#include <linux/sched.h> /* MMF_VM_HUGEPAGE */



#ifdef CONFIG_TRANSPARENT_HUGEPAGE

extern struct attribute_group khugepaged_attr_group;



extern int khugepaged_init(void);

extern void khugepaged_destroy(void);

extern int start_stop_khugepaged(void);

extern int __khugepaged_enter(struct mm_struct *mm);

extern void __khugepaged_exit(struct mm_struct *mm);

extern int khugepaged_enter_vma_merge(struct vm_area_struct *vma,

mm/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -74,7 +74,7 @@ obj-$(CONFIG_MEMORY_HOTPLUG) += memory_hotplug.o 
obj-$(CONFIG_MEMTEST)		+= memtest.o

obj-$(CONFIG_MIGRATION) += migrate.o

obj-$(CONFIG_QUICKLIST) += quicklist.o

obj-$(CONFIG_TRANSPARENT_HUGEPAGE) += huge_memory.o

obj-$(CONFIG_TRANSPARENT_HUGEPAGE) += huge_memory.o khugepaged.o

obj-$(CONFIG_PAGE_COUNTER) += page_counter.o

obj-$(CONFIG_MEMCG) += memcontrol.o vmpressure.o

obj-$(CONFIG_MEMCG_SWAP) += swap_cgroup.o

mm/huge_memory.c

+9 −1484

File changed.

Preview size limit exceeded, changes collapsed.

mm/khugepaged.c

0 → 100644
+1490 −0

File added.

Preview size limit exceeded, changes collapsed.