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Revert "mm/hugetlb: add folio support to hugetlb specific flag macros"

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This reverts commit 3283a9894d which is
commit d03c376d90 upstream.

It breaks the Android kernel abi and can be brought back in the future
in an abi-safe way if it is really needed.

Bug: 161946584
Change-Id: I2df030f2b9346d0b70d9485c5f6c6ba90616c34c
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman
2024-07-20 12:50:57 +00:00
parent 323d7963f9
commit c313757fce
1 changed files with 0 additions and 24 deletions
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24
include/linux/hugetlb.h
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@@ -625,50 +625,26 @@ enum hugetlb_page_flags {
*/
#ifdef CONFIG_HUGETLB_PAGE
#define TESTHPAGEFLAG(uname, flname) \
static __always_inline \
bool folio_test_hugetlb_##flname(struct folio *folio) \
{ void *private = &folio->private; \
return test_bit(HPG_##flname, private); \
} \
static inline int HPage##uname(struct page *page) \
{ return test_bit(HPG_##flname, &(page->private)); }
#define SETHPAGEFLAG(uname, flname) \
static __always_inline \
void folio_set_hugetlb_##flname(struct folio *folio) \
{ void *private = &folio->private; \
set_bit(HPG_##flname, private); \
} \
static inline void SetHPage##uname(struct page *page) \
{ set_bit(HPG_##flname, &(page->private)); }
#define CLEARHPAGEFLAG(uname, flname) \
static __always_inline \
void folio_clear_hugetlb_##flname(struct folio *folio) \
{ void *private = &folio->private; \
clear_bit(HPG_##flname, private); \
} \
static inline void ClearHPage##uname(struct page *page) \
{ clear_bit(HPG_##flname, &(page->private)); }
#else
#define TESTHPAGEFLAG(uname, flname) \
static inline bool \
folio_test_hugetlb_##flname(struct folio *folio) \
{ return 0; } \
static inline int HPage##uname(struct page *page) \
{ return 0; }
#define SETHPAGEFLAG(uname, flname) \
static inline void \
folio_set_hugetlb_##flname(struct folio *folio) \
{ } \
static inline void SetHPage##uname(struct page *page) \
{ }
#define CLEARHPAGEFLAG(uname, flname) \
static inline void \
folio_clear_hugetlb_##flname(struct folio *folio) \
{ } \
static inline void ClearHPage##uname(struct page *page) \
{ }
#endif