diff options
author | David Hildenbrand <david@redhat.com> | 2024-08-02 17:55:23 +0200 |
---|---|---|
committer | Andrew Morton <akpm@linux-foundation.org> | 2024-09-01 20:26:01 -0700 |
commit | 7290840de65e04c1fc59dab692468fc9600c6038 (patch) | |
tree | 9f23351a9b659a6c9aa1c6c54c4d71ec4f3567f1 /mm/gup.c | |
parent | 0b31a3cef4462ef99ef4667291091ecbcfcc8749 (diff) |
mm: remove follow_page()
All users are gone, let's remove it and any leftovers in comments. We'll
leave any FOLL/follow_page_() naming cleanups as future work.
Link: https://lkml.kernel.org/r/20240802155524.517137-11-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Claudio Imbrenda <imbrenda@linux.ibm.com>
Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Janosch Frank <frankja@linux.ibm.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/gup.c')
-rw-r--r-- | mm/gup.c | 24 |
1 files changed, 1 insertions, 23 deletions
@@ -1072,28 +1072,6 @@ static struct page *follow_page_mask(struct vm_area_struct *vma, return page; } -struct page *follow_page(struct vm_area_struct *vma, unsigned long address, - unsigned int foll_flags) -{ - struct follow_page_context ctx = { NULL }; - struct page *page; - - if (vma_is_secretmem(vma)) - return NULL; - - if (WARN_ON_ONCE(foll_flags & FOLL_PIN)) - return NULL; - - /* - * We never set FOLL_HONOR_NUMA_FAULT because callers don't expect - * to fail on PROT_NONE-mapped pages. - */ - page = follow_page_mask(vma, address, foll_flags, &ctx); - if (ctx.pgmap) - put_dev_pagemap(ctx.pgmap); - return page; -} - static int get_gate_page(struct mm_struct *mm, unsigned long address, unsigned int gup_flags, struct vm_area_struct **vma, struct page **page) @@ -2519,7 +2497,7 @@ static bool is_valid_gup_args(struct page **pages, int *locked, * These flags not allowed to be specified externally to the gup * interfaces: * - FOLL_TOUCH/FOLL_PIN/FOLL_TRIED/FOLL_FAST_ONLY are internal only - * - FOLL_REMOTE is internal only and used on follow_page() + * - FOLL_REMOTE is internal only, set in (get|pin)_user_pages_remote() * - FOLL_UNLOCKABLE is internal only and used if locked is !NULL */ if (WARN_ON_ONCE(gup_flags & INTERNAL_GUP_FLAGS)) |