The patch titled
Add __GFP_MOVABLE for callers to flag allocations from high memory that may be migrated
has been added to the -mm tree. Its filename is
add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Add __GFP_MOVABLE for callers to flag allocations from high memory that may be migrated
From: Mel Gorman <mel@xxxxxxxxx>
It is often known at allocation time whether a page may be migrated or not.
This patch adds a flag called __GFP_MOVABLE and a new mask called
GFP_HIGH_MOVABLE. Allocations using the __GFP_MOVABLE can be either migrated
using the page migration mechanism or reclaimed by syncing with backing
storage and discarding.
An API function very similar to alloc_zeroed_user_highpage() is added for
__GFP_MOVABLE allocations called alloc_zeroed_user_highpage_movable(). The
flags used by alloc_zeroed_user_highpage() are not changed because it would
change the semantics of an existing API. After this patch is applied there
are no in-kernel users of alloc_zeroed_user_highpage() so it probably should
be marked deprecated if this patch is merged.
Note that this patch includes a minor cleanup to the use of __GFP_ZERO in
shmem.c to keep all flag modifications to inode->mapping in the
shmem_dir_alloc() helper function. This clean-up suggestion is courtesy of
Hugh Dickens.
Additional credit goes to Christoph Lameter and Linus Torvalds for shaping the
concept. Credit to Hugh Dickens for catching issues with shmem swap vector
and ramfs allocations.
[hugh@xxxxxxxxxxx: __GFP_ZERO cleanup]
Signed-off-by: Mel Gorman <mel@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/inode.c | 10 +++++--
fs/ramfs/inode.c | 1
include/asm-alpha/page.h | 3 +-
include/asm-cris/page.h | 3 +-
include/asm-h8300/page.h | 3 +-
include/asm-i386/page.h | 3 +-
include/asm-ia64/page.h | 5 ++-
include/asm-m32r/page.h | 3 +-
include/asm-s390/page.h | 3 +-
include/asm-x86_64/page.h | 3 +-
include/linux/gfp.h | 10 ++++++-
include/linux/highmem.h | 51 ++++++++++++++++++++++++++++++++++--
mm/memory.c | 8 ++---
mm/mempolicy.c | 4 +-
mm/migrate.c | 2 -
mm/shmem.c | 7 +++-
mm/swap_state.c | 2 -
17 files changed, 97 insertions(+), 24 deletions(-)
diff -puN fs/inode.c~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated fs/inode.c
--- a/fs/inode.c~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated
+++ a/fs/inode.c
@@ -145,7 +145,7 @@ static struct inode *alloc_inode(struct
mapping->a_ops = &empty_aops;
mapping->host = inode;
mapping->flags = 0;
- mapping_set_gfp_mask(mapping, GFP_HIGHUSER);
+ mapping_set_gfp_mask(mapping, GFP_HIGH_MOVABLE);
mapping->assoc_mapping = NULL;
mapping->backing_dev_info = &default_backing_dev_info;
@@ -521,7 +521,13 @@ repeat:
* new_inode - obtain an inode
* @sb: superblock
*
- * Allocates a new inode for given superblock.
+ * Allocates a new inode for given superblock. The default gfp_mask
+ * for allocations related to inode->i_mapping is GFP_HIGH_MOVABLE. If
+ * HIGHMEM pages are unsuitable or it is known that pages allocated
+ * for the page cache are not reclaimable or migratable,
+ * mapping_set_gfp_mask() must be called with suitable flags on the
+ * newly created inode's mapping
+ *
*/
struct inode *new_inode(struct super_block *sb)
{
diff -puN fs/ramfs/inode.c~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated fs/ramfs/inode.c
--- a/fs/ramfs/inode.c~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated
+++ a/fs/ramfs/inode.c
@@ -61,6 +61,7 @@ struct inode *ramfs_get_inode(struct sup
inode->i_blocks = 0;
inode->i_mapping->a_ops = &ramfs_aops;
inode->i_mapping->backing_dev_info = &ramfs_backing_dev_info;
+ mapping_set_gfp_mask(inode->i_mapping, GFP_HIGHUSER);
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
switch (mode & S_IFMT) {
default:
diff -puN include/asm-alpha/page.h~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated include/asm-alpha/page.h
--- a/include/asm-alpha/page.h~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated
+++ a/include/asm-alpha/page.h
@@ -17,7 +17,8 @@
extern void clear_page(void *page);
#define clear_user_page(page, vaddr, pg) clear_page(page)
-#define alloc_zeroed_user_highpage(vma, vaddr) alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO, vma, vmaddr)
+#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
+ alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vmaddr)
#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
extern void copy_page(void * _to, void * _from);
diff -puN include/asm-cris/page.h~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated include/asm-cris/page.h
--- a/include/asm-cris/page.h~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated
+++ a/include/asm-cris/page.h
@@ -20,7 +20,8 @@
#define clear_user_page(page, vaddr, pg) clear_page(page)
#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
-#define alloc_zeroed_user_highpage(vma, vaddr) alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO, vma, vaddr)
+#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
+ alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
/*
diff -puN include/asm-h8300/page.h~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated include/asm-h8300/page.h
--- a/include/asm-h8300/page.h~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated
+++ a/include/asm-h8300/page.h
@@ -22,7 +22,8 @@
#define clear_user_page(page, vaddr, pg) clear_page(page)
#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
-#define alloc_zeroed_user_highpage(vma, vaddr) alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO, vma, vaddr)
+#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
+ alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
/*
diff -puN include/asm-i386/page.h~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated include/asm-i386/page.h
--- a/include/asm-i386/page.h~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated
+++ a/include/asm-i386/page.h
@@ -35,7 +35,8 @@
#define clear_user_page(page, vaddr, pg) clear_page(page)
#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
-#define alloc_zeroed_user_highpage(vma, vaddr) alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO, vma, vaddr)
+#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
+ alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
/*
diff -puN include/asm-ia64/page.h~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated include/asm-ia64/page.h
--- a/include/asm-ia64/page.h~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated
+++ a/include/asm-ia64/page.h
@@ -87,9 +87,10 @@ do { \
} while (0)
-#define alloc_zeroed_user_highpage(vma, vaddr) \
+#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
({ \
- struct page *page = alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO, vma, vaddr); \
+ struct page *page = alloc_page_vma(
+ GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr); \
if (page) \
flush_dcache_page(page); \
page; \
diff -puN include/asm-m32r/page.h~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated include/asm-m32r/page.h
--- a/include/asm-m32r/page.h~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated
+++ a/include/asm-m32r/page.h
@@ -15,7 +15,8 @@ extern void copy_page(void *to, void *fr
#define clear_user_page(page, vaddr, pg) clear_page(page)
#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
-#define alloc_zeroed_user_highpage(vma, vaddr) alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO, vma, vaddr)
+#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
+ alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
/*
diff -puN include/asm-s390/page.h~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated include/asm-s390/page.h
--- a/include/asm-s390/page.h~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated
+++ a/include/asm-s390/page.h
@@ -64,7 +64,8 @@ static inline void copy_page(void *to, v
#define clear_user_page(page, vaddr, pg) clear_page(page)
#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
-#define alloc_zeroed_user_highpage(vma, vaddr) alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO, vma, vaddr)
+#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
+ alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
/*
diff -puN include/asm-x86_64/page.h~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated include/asm-x86_64/page.h
--- a/include/asm-x86_64/page.h~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated
+++ a/include/asm-x86_64/page.h
@@ -51,7 +51,8 @@ void copy_page(void *, void *);
#define clear_user_page(page, vaddr, pg) clear_page(page)
#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
-#define alloc_zeroed_user_highpage(vma, vaddr) alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO, vma, vaddr)
+#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
+ alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
/*
* These are used to make use of C type-checking..
diff -puN include/linux/gfp.h~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated include/linux/gfp.h
--- a/include/linux/gfp.h~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated
+++ a/include/linux/gfp.h
@@ -30,6 +30,9 @@ struct vm_area_struct;
* cannot handle allocation failures.
*
* __GFP_NORETRY: The VM implementation must not retry indefinitely.
+ *
+ * __GFP_MOVABLE: Flag that this page will be movable by the page migration
+ * mechanism or reclaimed
*/
#define __GFP_WAIT ((__force gfp_t)0x10u) /* Can wait and reschedule? */
#define __GFP_HIGH ((__force gfp_t)0x20u) /* Should access emergency pools? */
@@ -46,6 +49,7 @@ struct vm_area_struct;
#define __GFP_NOMEMALLOC ((__force gfp_t)0x10000u) /* Don't use emergency reserves */
#define __GFP_HARDWALL ((__force gfp_t)0x20000u) /* Enforce hardwall cpuset memory allocs */
#define __GFP_THISNODE ((__force gfp_t)0x40000u)/* No fallback, no policies */
+#define __GFP_MOVABLE ((__force gfp_t)0x80000u) /* Page is movable */
#define __GFP_BITS_SHIFT 20 /* Room for 20 __GFP_FOO bits */
#define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1))
@@ -54,7 +58,8 @@ struct vm_area_struct;
#define GFP_LEVEL_MASK (__GFP_WAIT|__GFP_HIGH|__GFP_IO|__GFP_FS| \
__GFP_COLD|__GFP_NOWARN|__GFP_REPEAT| \
__GFP_NOFAIL|__GFP_NORETRY|__GFP_NO_GROW|__GFP_COMP| \
- __GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_THISNODE)
+ __GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_THISNODE| \
+ __GFP_MOVABLE)
/* This equals 0, but use constants in case they ever change */
#define GFP_NOWAIT (GFP_ATOMIC & ~__GFP_HIGH)
@@ -66,6 +71,9 @@ struct vm_area_struct;
#define GFP_USER (__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL)
#define GFP_HIGHUSER (__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL | \
__GFP_HIGHMEM)
+#define GFP_HIGH_MOVABLE (__GFP_WAIT | __GFP_IO | __GFP_FS | \
+ __GFP_HARDWALL | __GFP_HIGHMEM | \
+ __GFP_MOVABLE)
#ifdef CONFIG_NUMA
#define GFP_THISNODE (__GFP_THISNODE | __GFP_NOWARN | __GFP_NORETRY)
diff -puN include/linux/highmem.h~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated include/linux/highmem.h
--- a/include/linux/highmem.h~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated
+++ a/include/linux/highmem.h
@@ -62,10 +62,27 @@ static inline void clear_user_highpage(s
}
#ifndef __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
+/**
+ * __alloc_zeroed_user_highpage - Allocate a zeroed HIGHMEM page for a VMA with caller-specified movable GFP flags
+ * @movableflags: The GFP flags related to the pages future ability to move like __GFP_MOVABLE
+ * @vma: The VMA the page is to be allocated for
+ * @vaddr: The virtual address the page will be inserted into
+ *
+ * This function will allocate a page for a VMA but the caller is expected
+ * to specify via movableflags whether the page will be movable in the
+ * future or not
+ *
+ * An architecture may override this function by defining
+ * __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE and providing their own
+ * implementation.
+ */
static inline struct page *
-alloc_zeroed_user_highpage(struct vm_area_struct *vma, unsigned long vaddr)
+__alloc_zeroed_user_highpage(gfp_t movableflags,
+ struct vm_area_struct *vma,
+ unsigned long vaddr)
{
- struct page *page = alloc_page_vma(GFP_HIGHUSER, vma, vaddr);
+ struct page *page = alloc_page_vma(GFP_HIGHUSER | movableflags,
+ vma, vaddr);
if (page)
clear_user_highpage(page, vaddr);
@@ -74,6 +91,36 @@ alloc_zeroed_user_highpage(struct vm_are
}
#endif
+/**
+ * alloc_zeroed_user_highpage - Allocate a zeroed HIGHMEM page for a VMA
+ * @vma: The VMA the page is to be allocated for
+ * @vaddr: The virtual address the page will be inserted into
+ *
+ * This function will allocate a page for a VMA that the caller knows will
+ * not be able to move in the future using move_pages() or reclaim. If it
+ * is known that the page can move, use alloc_zeroed_user_highpage_movable
+ */
+static inline struct page *
+alloc_zeroed_user_highpage(struct vm_area_struct *vma, unsigned long vaddr)
+{
+ return __alloc_zeroed_user_highpage(0, vma, vaddr);
+}
+
+/**
+ * alloc_zeroed_user_highpage_movable - Allocate a zeroed HIGHMEM page for a VMA that the caller knows can move
+ * @vma: The VMA the page is to be allocated for
+ * @vaddr: The virtual address the page will be inserted into
+ *
+ * This function will allocate a page for a VMA that the caller knows will
+ * be able to migrate in the future using move_pages() or reclaimed
+ */
+static inline struct page *
+alloc_zeroed_user_highpage_movable(struct vm_area_struct *vma,
+ unsigned long vaddr)
+{
+ return __alloc_zeroed_user_highpage(__GFP_MOVABLE, vma, vaddr);
+}
+
static inline void clear_highpage(struct page *page)
{
void *kaddr = kmap_atomic(page, KM_USER0);
diff -puN mm/memory.c~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated mm/memory.c
--- a/mm/memory.c~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated
+++ a/mm/memory.c
@@ -1676,11 +1676,11 @@ gotten:
if (unlikely(anon_vma_prepare(vma)))
goto oom;
if (old_page == ZERO_PAGE(address)) {
- new_page = alloc_zeroed_user_highpage(vma, address);
+ new_page = alloc_zeroed_user_highpage_movable(vma, address);
if (!new_page)
goto oom;
} else {
- new_page = alloc_page_vma(GFP_HIGHUSER, vma, address);
+ new_page = alloc_page_vma(GFP_HIGH_MOVABLE, vma, address);
if (!new_page)
goto oom;
cow_user_page(new_page, old_page, address, vma);
@@ -2198,7 +2198,7 @@ static int do_anonymous_page(struct mm_s
if (unlikely(anon_vma_prepare(vma)))
goto oom;
- page = alloc_zeroed_user_highpage(vma, address);
+ page = alloc_zeroed_user_highpage_movable(vma, address);
if (!page)
goto oom;
@@ -2299,7 +2299,7 @@ retry:
if (unlikely(anon_vma_prepare(vma)))
goto oom;
- page = alloc_page_vma(GFP_HIGHUSER, vma, address);
+ page = alloc_page_vma(GFP_HIGH_MOVABLE, vma, address);
if (!page)
goto oom;
copy_user_highpage(page, new_page, address, vma);
diff -puN mm/mempolicy.c~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated mm/mempolicy.c
--- a/mm/mempolicy.c~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated
+++ a/mm/mempolicy.c
@@ -594,7 +594,7 @@ static void migrate_page_add(struct page
static struct page *new_node_page(struct page *page, unsigned long node, int **x)
{
- return alloc_pages_node(node, GFP_HIGHUSER, 0);
+ return alloc_pages_node(node, GFP_HIGH_MOVABLE, 0);
}
/*
@@ -710,7 +710,7 @@ static struct page *new_vma_page(struct
{
struct vm_area_struct *vma = (struct vm_area_struct *)private;
- return alloc_page_vma(GFP_HIGHUSER, vma, page_address_in_vma(page, vma));
+ return alloc_page_vma(GFP_HIGH_MOVABLE, vma, page_address_in_vma(page, vma));
}
#else
diff -puN mm/migrate.c~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated mm/migrate.c
--- a/mm/migrate.c~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated
+++ a/mm/migrate.c
@@ -755,7 +755,7 @@ static struct page *new_page_node(struct
*result = &pm->status;
- return alloc_pages_node(pm->node, GFP_HIGHUSER | GFP_THISNODE, 0);
+ return alloc_pages_node(pm->node, GFP_HIGH_MOVABLE | GFP_THISNODE, 0);
}
/*
diff -puN mm/shmem.c~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated mm/shmem.c
--- a/mm/shmem.c~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated
+++ a/mm/shmem.c
@@ -93,8 +93,11 @@ static inline struct page *shmem_dir_all
* The above definition of ENTRIES_PER_PAGE, and the use of
* BLOCKS_PER_PAGE on indirect pages, assume PAGE_CACHE_SIZE:
* might be reconsidered if it ever diverges from PAGE_SIZE.
+ *
+ * __GFP_MOVABLE is masked out as swap vectors cannot move
*/
- return alloc_pages(gfp_mask, PAGE_CACHE_SHIFT-PAGE_SHIFT);
+ return alloc_pages((gfp_mask & ~__GFP_MOVABLE) | __GFP_ZERO,
+ PAGE_CACHE_SHIFT-PAGE_SHIFT);
}
static inline void shmem_dir_free(struct page *page)
@@ -371,7 +374,7 @@ static swp_entry_t *shmem_swp_alloc(stru
}
spin_unlock(&info->lock);
- page = shmem_dir_alloc(mapping_gfp_mask(inode->i_mapping) | __GFP_ZERO);
+ page = shmem_dir_alloc(mapping_gfp_mask(inode->i_mapping));
if (page)
set_page_private(page, 0);
spin_lock(&info->lock);
diff -puN mm/swap_state.c~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated mm/swap_state.c
--- a/mm/swap_state.c~add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated
+++ a/mm/swap_state.c
@@ -331,7 +331,7 @@ struct page *read_swap_cache_async(swp_e
* Get a new page to read into from swap.
*/
if (!new_page) {
- new_page = alloc_page_vma(GFP_HIGHUSER, vma, addr);
+ new_page = alloc_page_vma(GFP_HIGH_MOVABLE, vma, addr);
if (!new_page)
break; /* Out of memory */
}
_
Patches currently in -mm which might be from mel@xxxxxxxxx are
add-a-bitmap-that-is-used-to-track-flags-affecting-a-block-of-pages.patch
add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated.patch
add-__gfp_movable-for-callers-to-flag-allocations-from-low-memory-that-may-be-migrated.patch
split-the-free-lists-for-movable-and-unmovable-allocations.patch
choose-pages-from-the-per-cpu-list-based-on-migration-type.patch
add-a-configure-option-to-group-pages-by-mobility.patch
drain-per-cpu-lists-when-high-order-allocations-fail.patch
move-free-pages-between-lists-on-steal.patch
group-short-lived-and-reclaimable-kernel-allocations.patch
group-high-order-atomic-allocations.patch
bias-the-placement-of-kernel-pages-at-lower-pfns.patch
be-more-agressive-about-stealing-when-migrate_reclaimable-allocations-fallback.patch
create-the-zone_movable-zone.patch
allow-huge-page-allocations-to-use-gfp_high_movable.patch
x86-specify-amount-of-kernel-memory-at-boot-time.patch
ppc-and-powerpc-specify-amount-of-kernel-memory-at-boot-time.patch
x86_64-specify-amount-of-kernel-memory-at-boot-time.patch
ia64-specify-amount-of-kernel-memory-at-boot-time.patch
add-documentation-for-additional-boot-parameter-and-sysctl.patch
ext2-reservations.patch
add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated-swap-prefetch.patch
add-debugging-aid-for-memory-initialisation-problems.patch
add-debugging-aid-for-memory-initialisation-problems-fix.patch
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