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| author |   Huang, Ying <ying.huang@intel.com> | 2008-06-02 14:26:18 +0800 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2008-06-05 15:10:02 +0200 |
| commit | d0ec2c6f2c2f0478b34ae78b3e65f60a561ac807 (patch) | |
| tree | 4d4f6d1e11aa45bc4084e733f52d402e9582d1c7 /include/asm-x86/e820.h | |
| parent | x86: split out common code into find_overlapped_early() (diff) | |
| download | linux-dev-d0ec2c6f2c2f0478b34ae78b3e65f60a561ac807.tar.xz linux-dev-d0ec2c6f2c2f0478b34ae78b3e65f60a561ac807.zip | |
x86: reserve highmem pages via reserve_early
This patch makes early reserved highmem pages become reserved
pages. This can be used for highmem pages allocated by bootloader such
as EFI memory map, linked list of setup_data, etc.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Cc: andi@firstfloor.org
Cc: mingo@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/e820.h')
| -rw-r--r-- | include/asm-x86/e820.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-x86/e820.h b/include/asm-x86/e820.h index 44ed9c0a4dfd..8aa32323a182 100644 --- a/include/asm-x86/e820.h +++ b/include/asm-x86/e820.h @@ -86,6 +86,7 @@ extern u64 find_e820_area_size(u64 start, u64 *sizep, u64 align); extern void reserve_early(u64 start, u64 end, char *name); extern void free_early(u64 start, u64 end); extern void early_res_to_bootmem(u64 start, u64 end); +extern int page_is_reserved_early(unsigned long pagenr); extern u64 early_reserve_e820(u64 startt, u64 sizet, u64 align); extern unsigned long e820_end_of_ram(void); |