diff options
| author | Heinrich Schuchardt | 2018-11-18 17:58:49 +0100 |
|---|---|---|
| committer | Alexander Graf | 2018-12-02 21:59:37 +0100 |
| commit | c3772ca1e38f36f2486b44c27094421442414e5e (patch) | |
| tree | 9e0796c02e18c264c21bf0f3964cd20490174843 /lib | |
| parent | 42910ff1baa9c6bf9e0eecbe252bf06e11861fa8 (diff) | |
efi_loader: macro efi_size_in_pages()
When allocating EFI memory pages the size in bytes has to be converted to
pages.
Provide a macro efi_size_in_pages() for this conversion.
Use it in the EFI subsystem and correct related comments.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/efi_loader/efi_memory.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/efi_loader/efi_memory.c b/lib/efi_loader/efi_memory.c index 307e6f77ab7..5359118b4d7 100644 --- a/lib/efi_loader/efi_memory.c +++ b/lib/efi_loader/efi_memory.c @@ -397,7 +397,7 @@ efi_status_t efi_allocate_pages(int type, int memory_type, void *efi_alloc(uint64_t len, int memory_type) { uint64_t ret = 0; - uint64_t pages = (len + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT; + uint64_t pages = efi_size_in_pages(len); efi_status_t r; r = efi_allocate_pages(EFI_ALLOCATE_ANY_PAGES, memory_type, pages, @@ -440,8 +440,8 @@ efi_status_t efi_allocate_pool(int pool_type, efi_uintn_t size, void **buffer) { efi_status_t r; struct efi_pool_allocation *alloc; - u64 num_pages = (size + sizeof(struct efi_pool_allocation) + - EFI_PAGE_MASK) >> EFI_PAGE_SHIFT; + u64 num_pages = efi_size_in_pages(size + + sizeof(struct efi_pool_allocation)); if (!buffer) return EFI_INVALID_PARAMETER; |