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authorJens Axboe <axboe@kernel.dk>2024-12-20 08:47:41 -0700
committerAndrew Morton <akpm@linux-foundation.org>2025-01-25 20:22:42 -0800
commit1963de79d3a3bc12b7a17a922d508b733ca8fa9e (patch)
tree16d3fc01fdd74b0563e84ae69cc4911d72a5f976 /mm/readahead.c
parentf598cdaafc370a797ae883d370a7c18c1ffc43ef (diff)
mm/readahead: add folio allocation helper
Just a wrapper around filemap_alloc_folio() for now, but add it in preparation for modifying the folio based on the 'ractl' being passed in. No functional changes in this patch. Link: https://lkml.kernel.org/r/20241220154831.1086649-4-axboe@kernel.dk Signed-off-by: Jens Axboe <axboe@kernel.dk> Reviewed-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Brian Foster <bfoster@redhat.com> Cc: Chris Mason <clm@meta.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/readahead.c')
-rw-r--r--mm/readahead.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/mm/readahead.c b/mm/readahead.c
index 2bc3abf07828..722b541c7137 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -178,6 +178,12 @@ static void read_pages(struct readahead_control *rac)
BUG_ON(readahead_count(rac));
}
+static struct folio *ractl_alloc_folio(struct readahead_control *ractl,
+ gfp_t gfp_mask, unsigned int order)
+{
+ return filemap_alloc_folio(gfp_mask, order);
+}
+
/**
* page_cache_ra_unbounded - Start unchecked readahead.
* @ractl: Readahead control.
@@ -255,8 +261,8 @@ void page_cache_ra_unbounded(struct readahead_control *ractl,
continue;
}
- folio = filemap_alloc_folio(gfp_mask,
- mapping_min_folio_order(mapping));
+ folio = ractl_alloc_folio(ractl, gfp_mask,
+ mapping_min_folio_order(mapping));
if (!folio)
break;
@@ -426,7 +432,7 @@ static inline int ra_alloc_folio(struct readahead_control *ractl, pgoff_t index,
pgoff_t mark, unsigned int order, gfp_t gfp)
{
int err;
- struct folio *folio = filemap_alloc_folio(gfp, order);
+ struct folio *folio = ractl_alloc_folio(ractl, gfp, order);
if (!folio)
return -ENOMEM;
@@ -751,7 +757,7 @@ void readahead_expand(struct readahead_control *ractl,
if (folio && !xa_is_value(folio))
return; /* Folio apparently present */
- folio = filemap_alloc_folio(gfp_mask, min_order);
+ folio = ractl_alloc_folio(ractl, gfp_mask, min_order);
if (!folio)
return;
@@ -780,7 +786,7 @@ void readahead_expand(struct readahead_control *ractl,
if (folio && !xa_is_value(folio))
return; /* Folio apparently present */
- folio = filemap_alloc_folio(gfp_mask, min_order);
+ folio = ractl_alloc_folio(ractl, gfp_mask, min_order);
if (!folio)
return;