Commit-ID: 9710f581bb4c35589ac046b0cfc0deb7f369fc85 Gitweb: http://git.kernel.org/tip/9710f581bb4c35589ac046b0cfc0deb7f369fc85 Author: Yinghai Lu <ying...@kernel.org> AuthorDate: Fri, 16 Nov 2012 19:39:23 -0800 Committer: H. Peter Anvin <h...@linux.intel.com> CommitDate: Sat, 17 Nov 2012 11:59:51 -0800
x86, mm: Let "memmap=" take more entries one time Current "memmap=" only can take one entry every time. when we have more entries, we have to use memmap= for each of them. For pxe booting, we have command line length limitation, those extra "memmap=" would waste too much space. This patch make memmap= could take several entries one time, and those entries will be split with ',' Signed-off-by: Yinghai Lu <ying...@kernel.org> Link: http://lkml.kernel.org/r/1353123563-3103-47-git-send-email-ying...@kernel.org Signed-off-by: H. Peter Anvin <h...@linux.intel.com> --- arch/x86/kernel/e820.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c index df06ade..d32abea 100644 --- a/arch/x86/kernel/e820.c +++ b/arch/x86/kernel/e820.c @@ -835,7 +835,7 @@ static int __init parse_memopt(char *p) } early_param("mem", parse_memopt); -static int __init parse_memmap_opt(char *p) +static int __init parse_memmap_one(char *p) { char *oldp; u64 start_at, mem_size; @@ -877,6 +877,20 @@ static int __init parse_memmap_opt(char *p) return *p == '\0' ? 0 : -EINVAL; } +static int __init parse_memmap_opt(char *str) +{ + while (str) { + char *k = strchr(str, ','); + + if (k) + *k++ = 0; + + parse_memmap_one(str); + str = k; + } + + return 0; +} early_param("memmap", parse_memmap_opt); void __init finish_e820_parsing(void) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
