The patch titled
Subject: mm: add folio_alloc_mpol()
has been added to the -mm mm-unstable branch. Its filename is
mm-add-folio_alloc_mpol.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-add-folio_alloc_mpol.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Subject: mm: add folio_alloc_mpol()
Date: Wed, 15 May 2024 15:07:06 +0800
Patch series "mm: convert to folio_alloc_mpol()".
This patch (of 4):
This adds a new folio_alloc_mpol() like folio_alloc() but allocate folio
according to NUMA mempolicy.
Link: https://lkml.kernel.org/r/20240515070709.78529-1-wangkefeng.wang@xxxxxxxxxx
Link: https://lkml.kernel.org/r/20240515070709.78529-2-wangkefeng.wang@xxxxxxxxxx
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/gfp.h | 8 ++++++++
mm/mempolicy.c | 7 +++++++
2 files changed, 15 insertions(+)
--- a/include/linux/gfp.h~mm-add-folio_alloc_mpol
+++ a/include/linux/gfp.h
@@ -303,6 +303,8 @@ struct page *alloc_pages_noprof(gfp_t gf
struct page *alloc_pages_mpol_noprof(gfp_t gfp, unsigned int order,
struct mempolicy *mpol, pgoff_t ilx, int nid);
struct folio *folio_alloc_noprof(gfp_t gfp, unsigned int order);
+struct folio *folio_alloc_mpol_noprof(gfp_t gfp, unsigned int order,
+ struct mempolicy *mpol, pgoff_t ilx, int nid);
struct folio *vma_alloc_folio_noprof(gfp_t gfp, int order, struct vm_area_struct *vma,
unsigned long addr, bool hugepage);
#else
@@ -319,6 +321,11 @@ static inline struct folio *folio_alloc_
{
return __folio_alloc_node(gfp, order, numa_node_id());
}
+static inline struct folio *folio_alloc_mpol_noprof(gfp_t gfp, unsigned int order,
+ struct mempolicy *mpol, pgoff_t ilx, int nid)
+{
+ return folio_alloc_noprof(gfp, order);
+}
#define vma_alloc_folio_noprof(gfp, order, vma, addr, hugepage) \
folio_alloc_noprof(gfp, order)
#endif
@@ -326,6 +333,7 @@ static inline struct folio *folio_alloc_
#define alloc_pages(...) alloc_hooks(alloc_pages_noprof(__VA_ARGS__))
#define alloc_pages_mpol(...) alloc_hooks(alloc_pages_mpol_noprof(__VA_ARGS__))
#define folio_alloc(...) alloc_hooks(folio_alloc_noprof(__VA_ARGS__))
+#define folio_alloc_mpol(...) alloc_hooks(folio_alloc_mpol_noprof(__VA_ARGS__))
#define vma_alloc_folio(...) alloc_hooks(vma_alloc_folio_noprof(__VA_ARGS__))
#define alloc_page(gfp_mask) alloc_pages(gfp_mask, 0)
--- a/mm/mempolicy.c~mm-add-folio_alloc_mpol
+++ a/mm/mempolicy.c
@@ -2277,6 +2277,13 @@ struct page *alloc_pages_mpol_noprof(gfp
return page;
}
+struct folio *folio_alloc_mpol_noprof(gfp_t gfp, unsigned int order,
+ struct mempolicy *pol, pgoff_t ilx, int nid)
+{
+ return page_rmappable_folio(alloc_pages_mpol_noprof(gfp | __GFP_COMP,
+ order, pol, ilx, nid));
+}
+
/**
* vma_alloc_folio - Allocate a folio for a VMA.
* @gfp: GFP flags.
_
Patches currently in -mm which might be from wangkefeng.wang@xxxxxxxxxx are
mm-add-folio_alloc_mpol.patch
mm-mempolicy-use-folio_alloc_mpol_noprof-in-vma_alloc_folio_noprof.patch
mm-mempolicy-use-folio_alloc_mpol-in-alloc_migration_target_by_mpol.patch
mm-shmem-use-folio_alloc_mpol-in-shmem_alloc_folio.patch
