Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-22 12:11:40 +00:00
Code Issues Packages Projects Releases Wiki Activity

mm: add folio_alloc_mpol()

Browse Source 
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@huawei.com
Link: https://lkml.kernel.org/r/20240515070709.78529-2-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Kefeng Wang 2024-05-15 15:07:06 +08:00 committed by Andrew Morton
parent 6584a14a37
commit a19621ed4e
2 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
include/linux/gfp.h
View File

@ -303,6 +303,8 @@ struct page *alloc_pages_noprof(gfp_t gfp, unsigned int order);
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_noprof(gfp_t gfp, unsigned int order)
{
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_noprof(gfp_t gfp, unsigned int order)
#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)

7
mm/mempolicy.c
View File

@ -2277,6 +2277,13 @@ struct page *alloc_pages_mpol_noprof(gfp_t gfp, unsigned int order,
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.