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mm, page_flags: remove PG_slob_free

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With SLOB removed we no longer need the PG_slob_free alias for
PG_private. Also update tools/mm/page-types.

Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Acked-by: Lorenzo Stoakes <lstoakes@gmail.com>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
This commit is contained in:
Vlastimil Babka 2023-02-28 10:59:54 +01:00
parent c9929f0e34
commit c4ba69f00c
2 changed files with 1 additions and 9 deletions
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4
include/linux/page-flags.h
View File

@ -174,9 +174,6 @@ enum pageflags {
/* Remapped by swiotlb-xen. */
PG_xen_remapped = PG_owner_priv_1,
/* SLOB */
PG_slob_free = PG_private,
#ifdef CONFIG_MEMORY_FAILURE
/*
* Compound pages. Stored in first tail page's flags.
@ -483,7 +480,6 @@ PAGEFLAG(Active, active, PF_HEAD) __CLEARPAGEFLAG(Active, active, PF_HEAD)
PAGEFLAG(Workingset, workingset, PF_HEAD)
TESTCLEARFLAG(Workingset, workingset, PF_HEAD)
__PAGEFLAG(Slab, slab, PF_NO_TAIL)
__PAGEFLAG(SlobFree, slob_free, PF_NO_TAIL)
PAGEFLAG(Checked, checked, PF_NO_COMPOUND) /* Used by some filesystems */
/* Xen */

6
tools/mm/page-types.c
View File

@ -85,7 +85,6 @@
*/
#define KPF_ANON_EXCLUSIVE 47
#define KPF_READAHEAD 48
#define KPF_SLOB_FREE 49
#define KPF_SLUB_FROZEN 50
#define KPF_SLUB_DEBUG 51
#define KPF_FILE 61
@ -141,7 +140,6 @@ static const char * const page_flag_names[] = {
[KPF_ANON_EXCLUSIVE] = "d:anon_exclusive",
[KPF_READAHEAD] = "I:readahead",
[KPF_SLOB_FREE] = "P:slob_free",
[KPF_SLUB_FROZEN] = "A:slub_frozen",
[KPF_SLUB_DEBUG] = "E:slub_debug",
@ -478,10 +476,8 @@ static uint64_t expand_overloaded_flags(uint64_t flags, uint64_t pme)
if ((flags & BIT(ANON)) && (flags & BIT(MAPPEDTODISK)))
flags ^= BIT(MAPPEDTODISK) | BIT(ANON_EXCLUSIVE);
/* SLOB/SLUB overload several page flags */
/* SLUB overloads several page flags */
if (flags & BIT(SLAB)) {
if (flags & BIT(PRIVATE))
flags ^= BIT(PRIVATE) | BIT(SLOB_FREE);
if (flags & BIT(ACTIVE))
flags ^= BIT(ACTIVE) | BIT(SLUB_FROZEN);
if (flags & BIT(ERROR))