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zswap: make zswap_load() take a folio

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Only convert a few easy parts of this function to use the folio passed in;
convert back to struct page for the majority of it.  Removes three hidden
calls to compound_head().

Link: https://lkml.kernel.org/r/20230715042343.434588-6-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Domenico Cerasuolo <cerasuolodomenico@gmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Cc: Yosry Ahmed <yosryahmed@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle)
2023-07-15 05:23:43 +01:00
committed by Andrew Morton
parent fbcec6a3a0
commit ca54f6d89d
3 changed files with 8 additions and 7 deletions
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4
include/linux/zswap.h
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@@ -11,7 +11,7 @@ extern atomic_t zswap_stored_pages;
#ifdef CONFIG_ZSWAP
bool zswap_store(struct folio *folio);
bool zswap_load(struct page *page);
bool zswap_load(struct folio *folio);
void zswap_invalidate(int type, pgoff_t offset);
void zswap_swapon(int type);
void zswap_swapoff(int type);
@@ -23,7 +23,7 @@ static inline bool zswap_store(struct folio *folio)
return false;
}
static inline bool zswap_load(struct page *page)
static inline bool zswap_load(struct folio *folio)
{
return false;
}