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| author | Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> | 2022-01-14 14:08:14 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-01-15 16:30:30 +0200 |
| commit | c04551162167368022a61899843821bbf015b473 (patch) | |
| tree | 4819bdaabaa7bfd1916c1584fbe2675b28afeb84 /mm/mempolicy.c | |
| parent | 721fb891ad0b3956d5c168b2931e3e5e4fb7ca40 (diff) | |
| download | linux-starfive-c04551162167368022a61899843821bbf015b473.tar.gz linux-starfive-c04551162167368022a61899843821bbf015b473.tar.bz2 linux-starfive-c04551162167368022a61899843821bbf015b473.zip | |
mm/mempolicy: use policy_node helper with MPOL_PREFERRED_MANY
Patch series "mm: add new syscall set_mempolicy_home_node", v6.
This patch (of 3):
A followup patch will enable setting a home node with
MPOL_PREFERRED_MANY memory policy. To facilitate that switch to using
policy_node helper. There is no functional change in this patch.
Link: https://lkml.kernel.org/r/20211202123810.267175-1-aneesh.kumar@linux.ibm.com
Link: https://lkml.kernel.org/r/20211202123810.267175-2-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Ben Widawsky <ben.widawsky@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Feng Tang <feng.tang@intel.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: <linux-api@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/mempolicy.c')
| -rw-r--r-- | mm/mempolicy.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c index ed7d15acb6a2..de70f119984a 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -2062,7 +2062,7 @@ static struct page *alloc_pages_preferred_many(gfp_t gfp, unsigned int order, preferred_gfp &= ~(__GFP_DIRECT_RECLAIM | __GFP_NOFAIL); page = __alloc_pages(preferred_gfp, order, nid, &pol->nodes); if (!page) - page = __alloc_pages(gfp, order, numa_node_id(), NULL); + page = __alloc_pages(gfp, order, nid, NULL); return page; } @@ -2104,6 +2104,7 @@ struct page *alloc_pages_vma(gfp_t gfp, int order, struct vm_area_struct *vma, } if (pol->mode == MPOL_PREFERRED_MANY) { + node = policy_node(gfp, pol, node); page = alloc_pages_preferred_many(gfp, order, node, pol); mpol_cond_put(pol); goto out; @@ -2187,7 +2188,7 @@ struct page *alloc_pages(gfp_t gfp, unsigned order) page = alloc_page_interleave(gfp, order, interleave_nodes(pol)); else if (pol->mode == MPOL_PREFERRED_MANY) page = alloc_pages_preferred_many(gfp, order, - numa_node_id(), pol); + policy_node(gfp, pol, numa_node_id()), pol); else page = __alloc_pages(gfp, order, policy_node(gfp, pol, numa_node_id()), |