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mm: remove FGP_HEAD 

This is no longer used; all callers have been converted to use folios
instead.  Somehow this manages to save 11 bytes of text.

Link: https://lkml.kernel.org/r/20221019183332.2802139-5-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2022-10-19 19:33:32 +01:00 committed by Andrew Morton
parent 524984ff66
commit c5255b421f
2 changed files with 3 additions and 4 deletions
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5
include/linux/pagemap.h
View File

@ -504,9 +504,8 @@ pgoff_t page_cache_prev_miss(struct address_space *mapping,
#define FGP_NOFS 0x00000010
#define FGP_NOWAIT 0x00000020
#define FGP_FOR_MMAP 0x00000040
#define FGP_HEAD 0x00000080
#define FGP_ENTRY 0x00000100
#define FGP_STABLE 0x00000200
#define FGP_ENTRY 0x00000080
#define FGP_STABLE 0x00000100
struct folio *__filemap_get_folio(struct address_space *mapping, pgoff_t index,
int fgp_flags, gfp_t gfp);

2
mm/folio-compat.c
View File

@ -108,7 +108,7 @@ struct page *pagecache_get_page(struct address_space *mapping, pgoff_t index,
struct folio *folio;
folio = __filemap_get_folio(mapping, index, fgp_flags, gfp);
if ((fgp_flags & FGP_HEAD) || !folio || xa_is_value(folio))
if (!folio || xa_is_value(folio))
return &folio->page;
return folio_file_page(folio, index);
}