PWN-Hunter/android_kernel_xiaomi_sdm845
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[PATCH] x86-64: Fix partial page check to ensure unusable memory is not being marked usable.

Browse Source 
Fix partial page check in e820_register_active_regions to ensure
partial pages are
not being marked as active in the memory pool.

Signed-off-by: Aaron Durbin <adurbin@google.com>
Signed-off-by: Andi Kleen <ak@suse.de>
This commit is contained in:
Aaron Durbin 2006-11-14 16:57:45 +01:00 committed by Andi Kleen
parent 64e72e41ac
commit 14f448e361
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86_64/kernel/e820.c
View File

@ -278,7 +278,7 @@ e820_register_active_regions(int nid, unsigned long start_pfn,
>> PAGE_SHIFT; >> PAGE_SHIFT;
/* Skip map entries smaller than a page */ /* Skip map entries smaller than a page */
if (ei_startpfn > ei_endpfn) if (ei_startpfn >= ei_endpfn)
continue; continue;
/* Check if end_pfn_map should be updated */ /* Check if end_pfn_map should be updated */