[PATCH] kexec: reserve Bootmem fix for booting nondefault location ke…

…rnel This patch fixes a problem with reserving memory during boot up of a kernel built for non-default location. Currently boot memory allocator reserves the memory required by kernel image, boot allocaotor bitmap etc. It assumes that kernel is loaded at 1MB (HIGH_MEMORY hard coded to 1024*1024). But kernel can be built for non-default locatoin, hence existing hardcoding will lead to reserving unnecessary memory. This patch fixes it. Signed-off-by: Vivek Goyal <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
mrcsosa · Jun 25, 2005 · 8a91908 · 8a91908
1 parent 3d345e3
commit 8a91908
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
@@ -1124,8 +1124,8 @@ void __init setup_bootmem_allocator(void)
 	 * the (very unlikely) case of us accidentally initializing the
 	 * bootmem allocator with an invalid RAM area.
 	 */
-	reserve_bootmem(HIGH_MEMORY, (PFN_PHYS(min_low_pfn) +
-			 bootmap_size + PAGE_SIZE-1) - (HIGH_MEMORY));
+	reserve_bootmem(__PHYSICAL_START, (PFN_PHYS(min_low_pfn) +
+			 bootmap_size + PAGE_SIZE-1) - (__PHYSICAL_START));
 
 	/*
 	 * reserve physical page 0 - it's a special BIOS page on many boxes,