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474fe91f21
hugetlb.c contained a number of CONFIG_CMA ifdefs, and the code inside them was large enough to merit being in its own file, so move it, cleaning up things a bit. Hide some direct variable access behind functions to accommodate the move. No functional change intended. Link: https://lkml.kernel.org/r/20250228182928.2645936-28-fvdl@google.com Signed-off-by: Frank van der Linden <fvdl@google.com> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Dan Carpenter <dan.carpenter@linaro.org> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: David Hildenbrand <david@redhat.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Joao Martins <joao.m.martins@oracle.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Madhavan Srinivasan <maddy@linux.ibm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Muchun Song <muchun.song@linux.dev> Cc: Oscar Salvador <osalvador@suse.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Roman Gushchin (Cruise) <roman.gushchin@linux.dev> Cc: Usama Arif <usamaarif642@gmail.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Yu Zhao <yuzhao@google.com> Cc: Zi Yan <ziy@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_HUGETLB_CMA_H
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#define _LINUX_HUGETLB_CMA_H
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#ifdef CONFIG_CMA
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void hugetlb_cma_free_folio(struct folio *folio);
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struct folio *hugetlb_cma_alloc_folio(struct hstate *h, gfp_t gfp_mask,
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int nid, nodemask_t *nodemask);
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struct huge_bootmem_page *hugetlb_cma_alloc_bootmem(struct hstate *h, int *nid,
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bool node_exact);
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void hugetlb_cma_check(void);
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bool hugetlb_cma_exclusive_alloc(void);
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unsigned long hugetlb_cma_total_size(void);
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void hugetlb_cma_validate_params(void);
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bool hugetlb_early_cma(struct hstate *h);
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#else
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static inline void hugetlb_cma_free_folio(struct folio *folio)
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{
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}
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static inline struct folio *hugetlb_cma_alloc_folio(struct hstate *h,
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gfp_t gfp_mask, int nid, nodemask_t *nodemask)
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{
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return NULL;
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}
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static inline
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struct huge_bootmem_page *hugetlb_cma_alloc_bootmem(struct hstate *h, int *nid,
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bool node_exact)
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{
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return NULL;
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}
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static inline void hugetlb_cma_check(void)
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{
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}
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static inline bool hugetlb_cma_exclusive_alloc(void)
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{
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return false;
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}
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static inline unsigned long hugetlb_cma_total_size(void)
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{
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return 0;
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}
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static inline void hugetlb_cma_validate_params(void)
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{
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}
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static inline bool hugetlb_early_cma(struct hstate *h)
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{
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return false;
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}
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#endif
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#endif
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